209214860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 452390400

約数和(自身を除く): 243175540

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1310, 1699, 2620, 3398, 6157, 6796, 8495, 12314, 16990, 24628, 30785, 33980, 61570, 79853, 123140, 159706, 222569, 319412, 399265, 445138, 798530, 890276, 1112845, 1597060, 2225690, 4451380, 10460743, 20921486, 41842972, 52303715, 104607430, 209214860]

約数ペア:

[(1, 209214860), (2, 104607430), (4, 52303715), (5, 41842972), (10, 20921486), (20, 10460743), (47, 4451380), (94, 2225690), (131, 1597060), (188, 1112845), (235, 890276), (262, 798530), (470, 445138), (524, 399265), (655, 319412), (940, 222569), (1310, 159706), (1699, 123140), (2620, 79853), (3398, 61570), (6157, 33980), (6796, 30785), (8495, 24628), (12314, 16990)]