248606360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 581541120

約数和(自身を除く): 332934760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1277, 1570, 2554, 3140, 4867, 5108, 6280, 6385, 9734, 10216, 12770, 19468, 24335, 25540, 38936, 39587, 48670, 51080, 79174, 97340, 158348, 194680, 197935, 200489, 316696, 395870, 400978, 791740, 801956, 1002445, 1583480, 1603912, 2004890, 4009780, 6215159, 8019560, 12430318, 24860636, 31075795, 49721272, 62151590, 124303180, 248606360]

約数ペア:

[(1, 248606360), (2, 124303180), (4, 62151590), (5, 49721272), (8, 31075795), (10, 24860636), (20, 12430318), (31, 8019560), (40, 6215159), (62, 4009780), (124, 2004890), (155, 1603912), (157, 1583480), (248, 1002445), (310, 801956), (314, 791740), (620, 400978), (628, 395870), (785, 316696), (1240, 200489), (1256, 197935), (1277, 194680), (1570, 158348), (2554, 97340), (3140, 79174), (4867, 51080), (5108, 48670), (6280, 39587), (6385, 38936), (9734, 25540), (10216, 24335), (12770, 19468)]