165959660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 358489152

約数和(自身を除く): 192529492

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 1601, 3202, 5183, 6404, 8005, 10366, 16010, 20732, 25915, 32020, 51830, 103660, 113671, 116873, 227342, 233746, 454684, 467492, 568355, 584365, 1136710, 1168730, 2273420, 2337460, 8297983, 16595966, 33191932, 41489915, 82979830, 165959660]

約数ペア:

[(1, 165959660), (2, 82979830), (4, 41489915), (5, 33191932), (10, 16595966), (20, 8297983), (71, 2337460), (73, 2273420), (142, 1168730), (146, 1136710), (284, 584365), (292, 568355), (355, 467492), (365, 454684), (710, 233746), (730, 227342), (1420, 116873), (1460, 113671), (1601, 103660), (3202, 51830), (5183, 32020), (6404, 25915), (8005, 20732), (10366, 16010)]