76990360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 185068800

約数和(自身を除く): 108078440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 2141, 3596, 4282, 4495, 7192, 8564, 8990, 10705, 17128, 17980, 21410, 35960, 42820, 62089, 66371, 85640, 124178, 132742, 248356, 265484, 310445, 331855, 496712, 530968, 620890, 663710, 1241780, 1327420, 1924759, 2483560, 2654840, 3849518, 7699036, 9623795, 15398072, 19247590, 38495180, 76990360]

約数ペア:

[(1, 76990360), (2, 38495180), (4, 19247590), (5, 15398072), (8, 9623795), (10, 7699036), (20, 3849518), (29, 2654840), (31, 2483560), (40, 1924759), (58, 1327420), (62, 1241780), (116, 663710), (124, 620890), (145, 530968), (155, 496712), (232, 331855), (248, 310445), (290, 265484), (310, 248356), (580, 132742), (620, 124178), (899, 85640), (1160, 66371), (1240, 62089), (1798, 42820), (2141, 35960), (3596, 21410), (4282, 17980), (4495, 17128), (7192, 10705), (8564, 8990)]