217766320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 526180608

約数和(自身を除く): 308414288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 277, 310, 317, 496, 554, 620, 634, 1108, 1240, 1268, 1385, 1585, 2216, 2480, 2536, 2770, 3170, 4432, 5072, 5540, 6340, 8587, 9827, 11080, 12680, 17174, 19654, 22160, 25360, 34348, 39308, 42935, 49135, 68696, 78616, 85870, 87809, 98270, 137392, 157232, 171740, 175618, 196540, 343480, 351236, 393080, 439045, 686960, 702472, 786160, 878090, 1404944, 1756180, 2722079, 3512360, 5444158, 7024720, 10888316, 13610395, 21776632, 27220790, 43553264, 54441580, 108883160, 217766320]

約数ペア:

[(1, 217766320), (2, 108883160), (4, 54441580), (5, 43553264), (8, 27220790), (10, 21776632), (16, 13610395), (20, 10888316), (31, 7024720), (40, 5444158), (62, 3512360), (80, 2722079), (124, 1756180), (155, 1404944), (248, 878090), (277, 786160), (310, 702472), (317, 686960), (496, 439045), (554, 393080), (620, 351236), (634, 343480), (1108, 196540), (1240, 175618), (1268, 171740), (1385, 157232), (1585, 137392), (2216, 98270), (2480, 87809), (2536, 85870), (2770, 78616), (3170, 68696), (4432, 49135), (5072, 42935), (5540, 39308), (6340, 34348), (8587, 25360), (9827, 22160), (11080, 19654), (12680, 17174)]