210491320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4877}}^1$

素因数の和:4984

約数の個数: 64

約数和(自身を含む): 516287520

約数和(自身を除く): 305796200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2158, 3320, 4316, 4877, 5395, 8632, 9754, 10790, 19508, 21580, 24385, 39016, 43160, 48770, 63401, 97540, 126802, 195080, 253604, 317005, 404791, 507208, 634010, 809582, 1268020, 1619164, 2023955, 2536040, 3238328, 4047910, 5262283, 8095820, 10524566, 16191640, 21049132, 26311415, 42098264, 52622830, 105245660, 210491320]

約数ペア:

[(1, 210491320), (2, 105245660), (4, 52622830), (5, 42098264), (8, 26311415), (10, 21049132), (13, 16191640), (20, 10524566), (26, 8095820), (40, 5262283), (52, 4047910), (65, 3238328), (83, 2536040), (104, 2023955), (130, 1619164), (166, 1268020), (260, 809582), (332, 634010), (415, 507208), (520, 404791), (664, 317005), (830, 253604), (1079, 195080), (1660, 126802), (2158, 97540), (3320, 63401), (4316, 48770), (4877, 43160), (5395, 39016), (8632, 24385), (9754, 21580), (10790, 19508)]