398638370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 799787520

約数和(自身を除く): 401149150

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 179, 185, 358, 370, 463, 481, 895, 926, 962, 1790, 2315, 2327, 2405, 4630, 4654, 4810, 6019, 6623, 11635, 12038, 13246, 17131, 23270, 30095, 33115, 34262, 60190, 66230, 82877, 85655, 86099, 165754, 171310, 172198, 222703, 414385, 430495, 445406, 828770, 860990, 1077401, 1113515, 2154802, 2227030, 3066449, 5387005, 6132898, 10774010, 15332245, 30664490, 39863837, 79727674, 199319185, 398638370]

約数ペア:

[(1, 398638370), (2, 199319185), (5, 79727674), (10, 39863837), (13, 30664490), (26, 15332245), (37, 10774010), (65, 6132898), (74, 5387005), (130, 3066449), (179, 2227030), (185, 2154802), (358, 1113515), (370, 1077401), (463, 860990), (481, 828770), (895, 445406), (926, 430495), (962, 414385), (1790, 222703), (2315, 172198), (2327, 171310), (2405, 165754), (4630, 86099), (4654, 85655), (4810, 82877), (6019, 66230), (6623, 60190), (11635, 34262), (12038, 33115), (13246, 30095), (17131, 23270)]