284921000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 855429120

約数和(自身を除く): 570508120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 91, 100, 101, 104, 124, 125, 130, 140, 155, 175, 182, 200, 202, 217, 248, 250, 260, 280, 310, 325, 350, 364, 403, 404, 434, 455, 500, 505, 520, 620, 650, 700, 707, 728, 775, 806, 808, 868, 875, 910, 1000, 1010, 1085, 1240, 1300, 1313, 1400, 1414, 1550, 1612, 1625, 1736, 1750, 1820, 2015, 2020, 2170, 2275, 2525, 2600, 2626, 2821, 2828, 3100, 3131, 3224, 3250, 3500, 3535, 3640, 3875, 4030, 4040, 4340, 4550, 5050, 5252, 5425, 5642, 5656, 6200, 6262, 6500, 6565, 7000, 7070, 7750, 8060, 8680, 9100, 9191, 10075, 10100, 10504, 10850, 11284, 11375, 12524, 12625, 13000, 13130, 14105, 14140, 15500, 15655, 16120, 17675, 18200, 18382, 20150, 20200, 21700, 21917, 22568, 22750, 25048, 25250, 26260, 27125, 28210, 28280, 31000, 31310, 32825, 35350, 36764, 40300, 40703, 43400, 43834, 45500, 45955, 50375, 50500, 52520, 54250, 56420, 62620, 65650, 70525, 70700, 73528, 78275, 80600, 81406, 87668, 88375, 91000, 91910, 100750, 101000, 108500, 109585, 112840, 125240, 131300, 141050, 141400, 156550, 162812, 164125, 175336, 176750, 183820, 201500, 203515, 217000, 219170, 229775, 262600, 282100, 284921, 313100, 325624, 328250, 352625, 353500, 367640, 391375, 403000, 407030, 438340, 459550, 547925, 564200, 569842, 626200, 656500, 705250, 707000, 782750, 814060, 876680, 919100, 1017575, 1095850, 1139684, 1148875, 1313000, 1410500, 1424605, 1565500, 1628120, 1838200, 2035150, 2191700, 2279368, 2297750, 2739625, 2821000, 2849210, 3131000, 4070300, 4383400, 4595500, 5087875, 5479250, 5698420, 7123025, 8140600, 9191000, 10175750, 10958500, 11396840, 14246050, 20351500, 21917000, 28492100, 35615125, 40703000, 56984200, 71230250, 142460500, 284921000]

約数ペア:

[(1, 284921000), (2, 142460500), (4, 71230250), (5, 56984200), (7, 40703000), (8, 35615125), (10, 28492100), (13, 21917000), (14, 20351500), (20, 14246050), (25, 11396840), (26, 10958500), (28, 10175750), (31, 9191000), (35, 8140600), (40, 7123025), (50, 5698420), (52, 5479250), (56, 5087875), (62, 4595500), (65, 4383400), (70, 4070300), (91, 3131000), (100, 2849210), (101, 2821000), (104, 2739625), (124, 2297750), (125, 2279368), (130, 2191700), (140, 2035150), (155, 1838200), (175, 1628120), (182, 1565500), (200, 1424605), (202, 1410500), (217, 1313000), (248, 1148875), (250, 1139684), (260, 1095850), (280, 1017575), (310, 919100), (325, 876680), (350, 814060), (364, 782750), (403, 707000), (404, 705250), (434, 656500), (455, 626200), (500, 569842), (505, 564200), (520, 547925), (620, 459550), (650, 438340), (700, 407030), (707, 403000), (728, 391375), (775, 367640), (806, 353500), (808, 352625), (868, 328250), (875, 325624), (910, 313100), (1000, 284921), (1010, 282100), (1085, 262600), (1240, 229775), (1300, 219170), (1313, 217000), (1400, 203515), (1414, 201500), (1550, 183820), (1612, 176750), (1625, 175336), (1736, 164125), (1750, 162812), (1820, 156550), (2015, 141400), (2020, 141050), (2170, 131300), (2275, 125240), (2525, 112840), (2600, 109585), (2626, 108500), (2821, 101000), (2828, 100750), (3100, 91910), (3131, 91000), (3224, 88375), (3250, 87668), (3500, 81406), (3535, 80600), (3640, 78275), (3875, 73528), (4030, 70700), (4040, 70525), (4340, 65650), (4550, 62620), (5050, 56420), (5252, 54250), (5425, 52520), (5642, 50500), (5656, 50375), (6200, 45955), (6262, 45500), (6500, 43834), (6565, 43400), (7000, 40703), (7070, 40300), (7750, 36764), (8060, 35350), (8680, 32825), (9100, 31310), (9191, 31000), (10075, 28280), (10100, 28210), (10504, 27125), (10850, 26260), (11284, 25250), (11375, 25048), (12524, 22750), (12625, 22568), (13000, 21917), (13130, 21700), (14105, 20200), (14140, 20150), (15500, 18382), (15655, 18200), (16120, 17675)]