248941160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15443}}^1$

素因数の和:15498

約数の個数: 64

約数和(自身を含む): 622702080

約数和(自身を除く): 373760920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15443, 16120, 30886, 61772, 77215, 123544, 154430, 200759, 308860, 401518, 478733, 617720, 803036, 957466, 1003795, 1606072, 1914932, 2007590, 2393665, 3829864, 4015180, 4787330, 6223529, 8030360, 9574660, 12447058, 19149320, 24894116, 31117645, 49788232, 62235290, 124470580, 248941160]

約数ペア:

[(1, 248941160), (2, 124470580), (4, 62235290), (5, 49788232), (8, 31117645), (10, 24894116), (13, 19149320), (20, 12447058), (26, 9574660), (31, 8030360), (40, 6223529), (52, 4787330), (62, 4015180), (65, 3829864), (104, 2393665), (124, 2007590), (130, 1914932), (155, 1606072), (248, 1003795), (260, 957466), (310, 803036), (403, 617720), (520, 478733), (620, 401518), (806, 308860), (1240, 200759), (1612, 154430), (2015, 123544), (3224, 77215), (4030, 61772), (8060, 30886), (15443, 16120)]