28210000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 200

約数和(自身を含む): 86772224

約数和(自身を除く): 58562224

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 125, 130, 140, 155, 175, 182, 200, 208, 217, 248, 250, 260, 280, 310, 325, 350, 364, 400, 403, 434, 455, 496, 500, 520, 560, 620, 625, 650, 700, 728, 775, 806, 868, 875, 910, 1000, 1040, 1085, 1240, 1250, 1300, 1400, 1456, 1550, 1612, 1625, 1736, 1750, 1820, 2000, 2015, 2170, 2275, 2480, 2500, 2600, 2800, 2821, 3100, 3224, 3250, 3472, 3500, 3640, 3875, 4030, 4340, 4375, 4550, 5000, 5200, 5425, 5642, 6200, 6448, 6500, 7000, 7280, 7750, 8060, 8125, 8680, 8750, 9100, 10000, 10075, 10850, 11284, 11375, 12400, 13000, 14000, 14105, 15500, 16120, 16250, 17360, 17500, 18200, 19375, 20150, 21700, 22568, 22750, 26000, 27125, 28210, 31000, 32240, 32500, 35000, 36400, 38750, 40300, 43400, 45136, 45500, 50375, 54250, 56420, 56875, 62000, 65000, 70000, 70525, 77500, 80600, 86800, 91000, 100750, 108500, 112840, 113750, 130000, 135625, 141050, 155000, 161200, 182000, 201500, 217000, 225680, 227500, 251875, 271250, 282100, 310000, 352625, 403000, 434000, 455000, 503750, 542500, 564200, 705250, 806000, 910000, 1007500, 1085000, 1128400, 1410500, 1763125, 2015000, 2170000, 2821000, 3526250, 4030000, 5642000, 7052500, 14105000, 28210000]

約数ペア:

[(1, 28210000), (2, 14105000), (4, 7052500), (5, 5642000), (7, 4030000), (8, 3526250), (10, 2821000), (13, 2170000), (14, 2015000), (16, 1763125), (20, 1410500), (25, 1128400), (26, 1085000), (28, 1007500), (31, 910000), (35, 806000), (40, 705250), (50, 564200), (52, 542500), (56, 503750), (62, 455000), (65, 434000), (70, 403000), (80, 352625), (91, 310000), (100, 282100), (104, 271250), (112, 251875), (124, 227500), (125, 225680), (130, 217000), (140, 201500), (155, 182000), (175, 161200), (182, 155000), (200, 141050), (208, 135625), (217, 130000), (248, 113750), (250, 112840), (260, 108500), (280, 100750), (310, 91000), (325, 86800), (350, 80600), (364, 77500), (400, 70525), (403, 70000), (434, 65000), (455, 62000), (496, 56875), (500, 56420), (520, 54250), (560, 50375), (620, 45500), (625, 45136), (650, 43400), (700, 40300), (728, 38750), (775, 36400), (806, 35000), (868, 32500), (875, 32240), (910, 31000), (1000, 28210), (1040, 27125), (1085, 26000), (1240, 22750), (1250, 22568), (1300, 21700), (1400, 20150), (1456, 19375), (1550, 18200), (1612, 17500), (1625, 17360), (1736, 16250), (1750, 16120), (1820, 15500), (2000, 14105), (2015, 14000), (2170, 13000), (2275, 12400), (2480, 11375), (2500, 11284), (2600, 10850), (2800, 10075), (2821, 10000), (3100, 9100), (3224, 8750), (3250, 8680), (3472, 8125), (3500, 8060), (3640, 7750), (3875, 7280), (4030, 7000), (4340, 6500), (4375, 6448), (4550, 6200), (5000, 5642), (5200, 5425)]