6459620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 14515200

約数和(自身を除く): 8055580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 191, 356, 380, 382, 445, 764, 890, 955, 1691, 1780, 1910, 3382, 3629, 3820, 6764, 7258, 8455, 14516, 16910, 16999, 18145, 33820, 33998, 36290, 67996, 72580, 84995, 169990, 322981, 339980, 645962, 1291924, 1614905, 3229810, 6459620]

約数ペア:

[(1, 6459620), (2, 3229810), (4, 1614905), (5, 1291924), (10, 645962), (19, 339980), (20, 322981), (38, 169990), (76, 84995), (89, 72580), (95, 67996), (178, 36290), (190, 33998), (191, 33820), (356, 18145), (380, 16999), (382, 16910), (445, 14516), (764, 8455), (890, 7258), (955, 6764), (1691, 3820), (1780, 3629), (1910, 3382)]