281063660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 601759200

約数和(自身を除く): 320695540

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 349, 601, 670, 698, 1202, 1340, 1396, 1745, 2404, 3005, 3490, 6010, 6980, 12020, 23383, 40267, 46766, 80534, 93532, 116915, 161068, 201335, 209749, 233830, 402670, 419498, 467660, 805340, 838996, 1048745, 2097490, 4194980, 14053183, 28106366, 56212732, 70265915, 140531830, 281063660]

約数ペア:

[(1, 281063660), (2, 140531830), (4, 70265915), (5, 56212732), (10, 28106366), (20, 14053183), (67, 4194980), (134, 2097490), (268, 1048745), (335, 838996), (349, 805340), (601, 467660), (670, 419498), (698, 402670), (1202, 233830), (1340, 209749), (1396, 201335), (1745, 161068), (2404, 116915), (3005, 93532), (3490, 80534), (6010, 46766), (6980, 40267), (12020, 23383)]