90606005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 139968000

約数和(自身を除く): 49361995

約数列:

[1, 5, 7, 17, 29, 35, 59, 85, 89, 119, 145, 203, 295, 413, 445, 493, 595, 623, 1003, 1015, 1513, 1711, 2065, 2465, 2581, 3115, 3451, 5015, 5251, 7021, 7565, 8555, 10591, 11977, 12905, 17255, 18067, 26255, 29087, 35105, 36757, 43877, 52955, 59885, 89267, 90335, 145435, 152279, 183785, 203609, 219385, 307139, 446335, 624869, 761395, 1018045, 1065953, 1535695, 2588743, 3124345, 5329765, 12943715, 18121201, 90606005]

約数ペア:

[(1, 90606005), (5, 18121201), (7, 12943715), (17, 5329765), (29, 3124345), (35, 2588743), (59, 1535695), (85, 1065953), (89, 1018045), (119, 761395), (145, 624869), (203, 446335), (295, 307139), (413, 219385), (445, 203609), (493, 183785), (595, 152279), (623, 145435), (1003, 90335), (1015, 89267), (1513, 59885), (1711, 52955), (2065, 43877), (2465, 36757), (2581, 35105), (3115, 29087), (3451, 26255), (5015, 18067), (5251, 17255), (7021, 12905), (7565, 11977), (8555, 10591)]