288129820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1721}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 661330656

約数和(自身を除く): 373200836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 761, 1522, 1721, 3044, 3442, 3805, 6884, 7610, 8371, 8605, 15220, 16742, 17210, 18931, 33484, 34420, 37862, 41855, 75724, 83710, 94655, 167420, 189310, 378620, 1309681, 2619362, 5238724, 6548405, 13096810, 14406491, 26193620, 28812982, 57625964, 72032455, 144064910, 288129820]

約数ペア:

[(1, 288129820), (2, 144064910), (4, 72032455), (5, 57625964), (10, 28812982), (11, 26193620), (20, 14406491), (22, 13096810), (44, 6548405), (55, 5238724), (110, 2619362), (220, 1309681), (761, 378620), (1522, 189310), (1721, 167420), (3044, 94655), (3442, 83710), (3805, 75724), (6884, 41855), (7610, 37862), (8371, 34420), (8605, 33484), (15220, 18931), (16742, 17210)]