253648860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{222499}}^1$

素因数の和:222530

約数の個数: 48

約数和(自身を含む): 747600000

約数和(自身を除く): 493951140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 222499, 444998, 667497, 889996, 1112495, 1334994, 2224990, 2669988, 3337485, 4227481, 4449980, 6674970, 8454962, 12682443, 13349940, 16909924, 21137405, 25364886, 42274810, 50729772, 63412215, 84549620, 126824430, 253648860]

約数ペア:

[(1, 253648860), (2, 126824430), (3, 84549620), (4, 63412215), (5, 50729772), (6, 42274810), (10, 25364886), (12, 21137405), (15, 16909924), (19, 13349940), (20, 12682443), (30, 8454962), (38, 6674970), (57, 4449980), (60, 4227481), (76, 3337485), (95, 2669988), (114, 2224990), (190, 1334994), (228, 1112495), (285, 889996), (380, 667497), (570, 444998), (1140, 222499)]