147789400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 391849920

約数和(自身を除く): 244060520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 121, 124, 155, 197, 200, 220, 242, 248, 275, 310, 341, 394, 440, 484, 550, 605, 620, 682, 775, 788, 968, 985, 1100, 1210, 1240, 1364, 1550, 1576, 1705, 1970, 2167, 2200, 2420, 2728, 3025, 3100, 3410, 3751, 3940, 4334, 4840, 4925, 6050, 6107, 6200, 6820, 7502, 7880, 8525, 8668, 9850, 10835, 12100, 12214, 13640, 15004, 17050, 17336, 18755, 19700, 21670, 23837, 24200, 24428, 30008, 30535, 34100, 37510, 39400, 43340, 47674, 48856, 54175, 61070, 67177, 68200, 75020, 86680, 93775, 95348, 108350, 119185, 122140, 134354, 150040, 152675, 187550, 190696, 216700, 238370, 244280, 268708, 305350, 335885, 375100, 433400, 476740, 537416, 595925, 610700, 671770, 738947, 750200, 953480, 1191850, 1221400, 1343540, 1477894, 1679425, 2383700, 2687080, 2955788, 3358850, 3694735, 4767400, 5911576, 6717700, 7389470, 13435400, 14778940, 18473675, 29557880, 36947350, 73894700, 147789400]

約数ペア:

[(1, 147789400), (2, 73894700), (4, 36947350), (5, 29557880), (8, 18473675), (10, 14778940), (11, 13435400), (20, 7389470), (22, 6717700), (25, 5911576), (31, 4767400), (40, 3694735), (44, 3358850), (50, 2955788), (55, 2687080), (62, 2383700), (88, 1679425), (100, 1477894), (110, 1343540), (121, 1221400), (124, 1191850), (155, 953480), (197, 750200), (200, 738947), (220, 671770), (242, 610700), (248, 595925), (275, 537416), (310, 476740), (341, 433400), (394, 375100), (440, 335885), (484, 305350), (550, 268708), (605, 244280), (620, 238370), (682, 216700), (775, 190696), (788, 187550), (968, 152675), (985, 150040), (1100, 134354), (1210, 122140), (1240, 119185), (1364, 108350), (1550, 95348), (1576, 93775), (1705, 86680), (1970, 75020), (2167, 68200), (2200, 67177), (2420, 61070), (2728, 54175), (3025, 48856), (3100, 47674), (3410, 43340), (3751, 39400), (3940, 37510), (4334, 34100), (4840, 30535), (4925, 30008), (6050, 24428), (6107, 24200), (6200, 23837), (6820, 21670), (7502, 19700), (7880, 18755), (8525, 17336), (8668, 17050), (9850, 15004), (10835, 13640), (12100, 12214)]