391710420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70199}}^1$

素因数の和:70245

約数の個数: 72

約数和(自身を含む): 1226534400

約数和(自身を除く): 834823980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 70199, 140398, 210597, 280796, 350995, 421194, 631791, 701990, 842388, 1052985, 1263582, 1403980, 2105970, 2176169, 2527164, 3158955, 4211940, 4352338, 6317910, 6528507, 8704676, 10880845, 12635820, 13057014, 19585521, 21761690, 26114028, 32642535, 39171042, 43523380, 65285070, 78342084, 97927605, 130570140, 195855210, 391710420]

約数ペア:

[(1, 391710420), (2, 195855210), (3, 130570140), (4, 97927605), (5, 78342084), (6, 65285070), (9, 43523380), (10, 39171042), (12, 32642535), (15, 26114028), (18, 21761690), (20, 19585521), (30, 13057014), (31, 12635820), (36, 10880845), (45, 8704676), (60, 6528507), (62, 6317910), (90, 4352338), (93, 4211940), (124, 3158955), (155, 2527164), (180, 2176169), (186, 2105970), (279, 1403980), (310, 1263582), (372, 1052985), (465, 842388), (558, 701990), (620, 631791), (930, 421194), (1116, 350995), (1395, 280796), (1860, 210597), (2790, 140398), (5580, 70199)]