147220420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 315741888

約数和(自身を除く): 168521468

約数列:

[1, 2, 4, 5, 10, 20, 83, 131, 166, 262, 332, 415, 524, 655, 677, 830, 1310, 1354, 1660, 2620, 2708, 3385, 6770, 10873, 13540, 21746, 43492, 54365, 56191, 88687, 108730, 112382, 177374, 217460, 224764, 280955, 354748, 443435, 561910, 886870, 1123820, 1773740, 7361021, 14722042, 29444084, 36805105, 73610210, 147220420]

約数ペア:

[(1, 147220420), (2, 73610210), (4, 36805105), (5, 29444084), (10, 14722042), (20, 7361021), (83, 1773740), (131, 1123820), (166, 886870), (262, 561910), (332, 443435), (415, 354748), (524, 280955), (655, 224764), (677, 217460), (830, 177374), (1310, 112382), (1354, 108730), (1660, 88687), (2620, 56191), (2708, 54365), (3385, 43492), (6770, 21746), (10873, 13540)]