203539970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 399513600

約数和(自身を除く): 195973630

約数列:

[1, 2, 5, 10, 19, 38, 59, 67, 95, 118, 134, 190, 271, 295, 335, 542, 590, 670, 1121, 1273, 1355, 2242, 2546, 2710, 3953, 5149, 5605, 6365, 7906, 10298, 11210, 12730, 15989, 18157, 19765, 25745, 31978, 36314, 39530, 51490, 75107, 79945, 90785, 150214, 159890, 181570, 303791, 344983, 375535, 607582, 689966, 751070, 1071263, 1518955, 1724915, 2142526, 3037910, 3449830, 5356315, 10712630, 20353997, 40707994, 101769985, 203539970]

約数ペア:

[(1, 203539970), (2, 101769985), (5, 40707994), (10, 20353997), (19, 10712630), (38, 5356315), (59, 3449830), (67, 3037910), (95, 2142526), (118, 1724915), (134, 1518955), (190, 1071263), (271, 751070), (295, 689966), (335, 607582), (542, 375535), (590, 344983), (670, 303791), (1121, 181570), (1273, 159890), (1355, 150214), (2242, 90785), (2546, 79945), (2710, 75107), (3953, 51490), (5149, 39530), (5605, 36314), (6365, 31978), (7906, 25745), (10298, 19765), (11210, 18157), (12730, 15989)]