251931030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8849}}^1$

素因数の和:8945

約数の個数: 64

約数和(自身を含む): 660139200

約数和(自身を除く): 408208170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 730, 949, 1095, 1898, 2190, 2847, 4745, 5694, 8849, 9490, 14235, 17698, 26547, 28470, 44245, 53094, 88490, 115037, 132735, 230074, 265470, 345111, 575185, 645977, 690222, 1150370, 1291954, 1725555, 1937931, 3229885, 3451110, 3875862, 6459770, 8397701, 9689655, 16795402, 19379310, 25193103, 41988505, 50386206, 83977010, 125965515, 251931030]

約数ペア:

[(1, 251931030), (2, 125965515), (3, 83977010), (5, 50386206), (6, 41988505), (10, 25193103), (13, 19379310), (15, 16795402), (26, 9689655), (30, 8397701), (39, 6459770), (65, 3875862), (73, 3451110), (78, 3229885), (130, 1937931), (146, 1725555), (195, 1291954), (219, 1150370), (365, 690222), (390, 645977), (438, 575185), (730, 345111), (949, 265470), (1095, 230074), (1898, 132735), (2190, 115037), (2847, 88490), (4745, 53094), (5694, 44245), (8849, 28470), (9490, 26547), (14235, 17698)]