28492100

素因数分解:

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

素因数の和:166

約数の個数: 144

約数和(自身を含む): 79328256

約数和(自身を除く): 50836156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 101, 124, 130, 140, 155, 175, 182, 202, 217, 260, 310, 325, 350, 364, 403, 404, 434, 455, 505, 620, 650, 700, 707, 775, 806, 868, 910, 1010, 1085, 1300, 1313, 1414, 1550, 1612, 1820, 2015, 2020, 2170, 2275, 2525, 2626, 2821, 2828, 3100, 3131, 3535, 4030, 4340, 4550, 5050, 5252, 5425, 5642, 6262, 6565, 7070, 8060, 9100, 9191, 10075, 10100, 10850, 11284, 12524, 13130, 14105, 14140, 15655, 17675, 18382, 20150, 21700, 21917, 26260, 28210, 31310, 32825, 35350, 36764, 40300, 40703, 43834, 45955, 56420, 62620, 65650, 70525, 70700, 78275, 81406, 87668, 91910, 109585, 131300, 141050, 156550, 162812, 183820, 203515, 219170, 229775, 282100, 284921, 313100, 407030, 438340, 459550, 547925, 569842, 814060, 919100, 1017575, 1095850, 1139684, 1424605, 2035150, 2191700, 2849210, 4070300, 5698420, 7123025, 14246050, 28492100]

約数ペア:

[(1, 28492100), (2, 14246050), (4, 7123025), (5, 5698420), (7, 4070300), (10, 2849210), (13, 2191700), (14, 2035150), (20, 1424605), (25, 1139684), (26, 1095850), (28, 1017575), (31, 919100), (35, 814060), (50, 569842), (52, 547925), (62, 459550), (65, 438340), (70, 407030), (91, 313100), (100, 284921), (101, 282100), (124, 229775), (130, 219170), (140, 203515), (155, 183820), (175, 162812), (182, 156550), (202, 141050), (217, 131300), (260, 109585), (310, 91910), (325, 87668), (350, 81406), (364, 78275), (403, 70700), (404, 70525), (434, 65650), (455, 62620), (505, 56420), (620, 45955), (650, 43834), (700, 40703), (707, 40300), (775, 36764), (806, 35350), (868, 32825), (910, 31310), (1010, 28210), (1085, 26260), (1300, 21917), (1313, 21700), (1414, 20150), (1550, 18382), (1612, 17675), (1820, 15655), (2015, 14140), (2020, 14105), (2170, 13130), (2275, 12524), (2525, 11284), (2626, 10850), (2821, 10100), (2828, 10075), (3100, 9191), (3131, 9100), (3535, 8060), (4030, 7070), (4340, 6565), (4550, 6262), (5050, 5642), (5252, 5425)]