68709890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4357}}^1$

素因数の和:4466

約数の個数: 32

約数和(自身を含む): 131785920

約数和(自身を除く): 63076030

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 4357, 7885, 8714, 15770, 21785, 43570, 82783, 165566, 361631, 413915, 723262, 827830, 1808155, 3616310, 6870989, 13741978, 34354945, 68709890]

約数ペア:

[(1, 68709890), (2, 34354945), (5, 13741978), (10, 6870989), (19, 3616310), (38, 1808155), (83, 827830), (95, 723262), (166, 413915), (190, 361631), (415, 165566), (830, 82783), (1577, 43570), (3154, 21785), (4357, 15770), (7885, 8714)]