2238620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 4735584

約数和(自身を除く): 2496964

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 647, 692, 865, 1294, 1730, 2588, 3235, 3460, 6470, 12940, 111931, 223862, 447724, 559655, 1119310, 2238620]

約数ペア:

[(1, 2238620), (2, 1119310), (4, 559655), (5, 447724), (10, 223862), (20, 111931), (173, 12940), (346, 6470), (647, 3460), (692, 3235), (865, 2588), (1294, 1730)]