37780540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 91030464

約数和(自身を除く): 53249924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 641, 842, 1282, 1684, 2105, 2564, 2947, 3205, 4210, 4487, 5894, 6410, 8420, 8974, 11788, 12820, 14735, 17948, 22435, 29470, 44870, 58940, 89740, 269861, 539722, 1079444, 1349305, 1889027, 2698610, 3778054, 5397220, 7556108, 9445135, 18890270, 37780540]

約数ペア:

[(1, 37780540), (2, 18890270), (4, 9445135), (5, 7556108), (7, 5397220), (10, 3778054), (14, 2698610), (20, 1889027), (28, 1349305), (35, 1079444), (70, 539722), (140, 269861), (421, 89740), (641, 58940), (842, 44870), (1282, 29470), (1684, 22435), (2105, 17948), (2564, 14735), (2947, 12820), (3205, 11788), (4210, 8974), (4487, 8420), (5894, 6410)]