388639460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{33331}}^1$

素因数の和:33404

約数の個数: 48

約数和(自身を含む): 907163712

約数和(自身を除く): 518524252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 33331, 66662, 133324, 166655, 333310, 366641, 666620, 733282, 1466564, 1766543, 1833205, 3533086, 3666410, 7066172, 7332820, 8832715, 17665430, 19431973, 35330860, 38863946, 77727892, 97159865, 194319730, 388639460]

約数ペア:

[(1, 388639460), (2, 194319730), (4, 97159865), (5, 77727892), (10, 38863946), (11, 35330860), (20, 19431973), (22, 17665430), (44, 8832715), (53, 7332820), (55, 7066172), (106, 3666410), (110, 3533086), (212, 1833205), (220, 1766543), (265, 1466564), (530, 733282), (583, 666620), (1060, 366641), (1166, 333310), (2332, 166655), (2915, 133324), (5830, 66662), (11660, 33331)]