1399780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 3265920

約数和(自身を除く): 1866140

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 179, 230, 340, 358, 391, 460, 716, 782, 895, 1564, 1790, 1955, 3043, 3580, 3910, 4117, 6086, 7820, 8234, 12172, 15215, 16468, 20585, 30430, 41170, 60860, 69989, 82340, 139978, 279956, 349945, 699890, 1399780]

約数ペア:

[(1, 1399780), (2, 699890), (4, 349945), (5, 279956), (10, 139978), (17, 82340), (20, 69989), (23, 60860), (34, 41170), (46, 30430), (68, 20585), (85, 16468), (92, 15215), (115, 12172), (170, 8234), (179, 7820), (230, 6086), (340, 4117), (358, 3910), (391, 3580), (460, 3043), (716, 1955), (782, 1790), (895, 1564)]