31849540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 70081200

約数和(自身を除く): 38231660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 617, 890, 1234, 1780, 2468, 2581, 3085, 5162, 6170, 10324, 12340, 12905, 17893, 25810, 35786, 51620, 54913, 71572, 89465, 109826, 178930, 219652, 274565, 357860, 549130, 1098260, 1592477, 3184954, 6369908, 7962385, 15924770, 31849540]

約数ペア:

[(1, 31849540), (2, 15924770), (4, 7962385), (5, 6369908), (10, 3184954), (20, 1592477), (29, 1098260), (58, 549130), (89, 357860), (116, 274565), (145, 219652), (178, 178930), (290, 109826), (356, 89465), (445, 71572), (580, 54913), (617, 51620), (890, 35786), (1234, 25810), (1780, 17893), (2468, 12905), (2581, 12340), (3085, 10324), (5162, 6170)]