2197784740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{2833}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 4684942080

約数和(自身を除く): 2487157340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 491, 790, 982, 1580, 1964, 2455, 2833, 4910, 5666, 9820, 11332, 14165, 28330, 38789, 56660, 77578, 155156, 193945, 223807, 387890, 447614, 775780, 895228, 1119035, 1391003, 2238070, 2782006, 4476140, 5564012, 6955015, 13910030, 27820060, 109889237, 219778474, 439556948, 549446185, 1098892370, 2197784740]

約数ペア:

[(1, 2197784740), (2, 1098892370), (4, 549446185), (5, 439556948), (10, 219778474), (20, 109889237), (79, 27820060), (158, 13910030), (316, 6955015), (395, 5564012), (491, 4476140), (790, 2782006), (982, 2238070), (1580, 1391003), (1964, 1119035), (2455, 895228), (2833, 775780), (4910, 447614), (5666, 387890), (9820, 223807), (11332, 193945), (14165, 155156), (28330, 77578), (38789, 56660)]