203400472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 440640000

約数和(自身を除く): 237239528

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 239, 418, 478, 509, 836, 956, 1018, 1672, 1912, 2036, 2629, 4072, 4541, 5258, 5599, 9082, 9671, 10516, 11198, 18164, 19342, 21032, 22396, 36328, 38684, 44792, 49951, 77368, 99902, 106381, 121651, 199804, 212762, 243302, 399608, 425524, 486604, 851048, 973208, 1338161, 2311369, 2676322, 4622738, 5352644, 9245476, 10705288, 18490952, 25425059, 50850118, 101700236, 203400472]

約数ペア:

[(1, 203400472), (2, 101700236), (4, 50850118), (8, 25425059), (11, 18490952), (19, 10705288), (22, 9245476), (38, 5352644), (44, 4622738), (76, 2676322), (88, 2311369), (152, 1338161), (209, 973208), (239, 851048), (418, 486604), (478, 425524), (509, 399608), (836, 243302), (956, 212762), (1018, 199804), (1672, 121651), (1912, 106381), (2036, 99902), (2629, 77368), (4072, 49951), (4541, 44792), (5258, 38684), (5599, 36328), (9082, 22396), (9671, 21032), (10516, 19342), (11198, 18164)]