31051460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 76446720

約数和(自身を除く): 45395260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 124, 145, 155, 157, 220, 290, 310, 314, 319, 341, 580, 620, 628, 638, 682, 785, 899, 1276, 1364, 1570, 1595, 1705, 1727, 1798, 3140, 3190, 3410, 3454, 3596, 4495, 4553, 4867, 6380, 6820, 6908, 8635, 8990, 9106, 9734, 9889, 17270, 17980, 18212, 19468, 19778, 22765, 24335, 34540, 39556, 45530, 48670, 49445, 50083, 53537, 91060, 97340, 98890, 100166, 107074, 141143, 197780, 200332, 214148, 250415, 267685, 282286, 500830, 535370, 564572, 705715, 1001660, 1070740, 1411430, 1552573, 2822860, 3105146, 6210292, 7762865, 15525730, 31051460]

約数ペア:

[(1, 31051460), (2, 15525730), (4, 7762865), (5, 6210292), (10, 3105146), (11, 2822860), (20, 1552573), (22, 1411430), (29, 1070740), (31, 1001660), (44, 705715), (55, 564572), (58, 535370), (62, 500830), (110, 282286), (116, 267685), (124, 250415), (145, 214148), (155, 200332), (157, 197780), (220, 141143), (290, 107074), (310, 100166), (314, 98890), (319, 97340), (341, 91060), (580, 53537), (620, 50083), (628, 49445), (638, 48670), (682, 45530), (785, 39556), (899, 34540), (1276, 24335), (1364, 22765), (1570, 19778), (1595, 19468), (1705, 18212), (1727, 17980), (1798, 17270), (3140, 9889), (3190, 9734), (3410, 9106), (3454, 8990), (3596, 8635), (4495, 6908), (4553, 6820), (4867, 6380)]