2019119800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 4809067200

約数和(自身を除く): 2789947400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 239, 265, 424, 478, 530, 797, 956, 1060, 1195, 1325, 1594, 1912, 2120, 2390, 2650, 3188, 3985, 4780, 5300, 5975, 6376, 7970, 9560, 10600, 11950, 12667, 15940, 19925, 23900, 25334, 31880, 39850, 42241, 47800, 50668, 63335, 79700, 84482, 101336, 126670, 159400, 168964, 190483, 211205, 253340, 316675, 337928, 380966, 422410, 506680, 633350, 761932, 844820, 952415, 1056025, 1266700, 1523864, 1689640, 1904830, 2112050, 2533400, 3809660, 4224100, 4762075, 7619320, 8448200, 9524150, 10095599, 19048300, 20191198, 38096600, 40382396, 50477995, 80764792, 100955990, 201911980, 252389975, 403823960, 504779950, 1009559900, 2019119800]

約数ペア:

[(1, 2019119800), (2, 1009559900), (4, 504779950), (5, 403823960), (8, 252389975), (10, 201911980), (20, 100955990), (25, 80764792), (40, 50477995), (50, 40382396), (53, 38096600), (100, 20191198), (106, 19048300), (200, 10095599), (212, 9524150), (239, 8448200), (265, 7619320), (424, 4762075), (478, 4224100), (530, 3809660), (797, 2533400), (956, 2112050), (1060, 1904830), (1195, 1689640), (1325, 1523864), (1594, 1266700), (1912, 1056025), (2120, 952415), (2390, 844820), (2650, 761932), (3188, 633350), (3985, 506680), (4780, 422410), (5300, 380966), (5975, 337928), (6376, 316675), (7970, 253340), (9560, 211205), (10600, 190483), (11950, 168964), (12667, 159400), (15940, 126670), (19925, 101336), (23900, 84482), (25334, 79700), (31880, 63335), (39850, 50668), (42241, 47800)]