201505000

素因数分解:

$2^3\times 5^4\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 476847360

約数和(自身を除く): 275342360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 191, 200, 211, 250, 382, 422, 500, 625, 764, 844, 955, 1000, 1055, 1250, 1528, 1688, 1910, 2110, 2500, 3820, 4220, 4775, 5000, 5275, 7640, 8440, 9550, 10550, 19100, 21100, 23875, 26375, 38200, 40301, 42200, 47750, 52750, 80602, 95500, 105500, 119375, 131875, 161204, 191000, 201505, 211000, 238750, 263750, 322408, 403010, 477500, 527500, 806020, 955000, 1007525, 1055000, 1612040, 2015050, 4030100, 5037625, 8060200, 10075250, 20150500, 25188125, 40301000, 50376250, 100752500, 201505000]

約数ペア:

[(1, 201505000), (2, 100752500), (4, 50376250), (5, 40301000), (8, 25188125), (10, 20150500), (20, 10075250), (25, 8060200), (40, 5037625), (50, 4030100), (100, 2015050), (125, 1612040), (191, 1055000), (200, 1007525), (211, 955000), (250, 806020), (382, 527500), (422, 477500), (500, 403010), (625, 322408), (764, 263750), (844, 238750), (955, 211000), (1000, 201505), (1055, 191000), (1250, 161204), (1528, 131875), (1688, 119375), (1910, 105500), (2110, 95500), (2500, 80602), (3820, 52750), (4220, 47750), (4775, 42200), (5000, 40301), (5275, 38200), (7640, 26375), (8440, 23875), (9550, 21100), (10550, 19100)]