749202680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{1009}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 1778004000

約数和(自身を除く): 1028801320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 977, 1009, 1954, 2018, 3908, 4036, 4885, 5045, 7816, 8072, 9770, 10090, 18563, 19171, 19540, 20180, 37126, 38342, 39080, 40360, 74252, 76684, 92815, 95855, 148504, 153368, 185630, 191710, 371260, 383420, 742520, 766840, 985793, 1971586, 3943172, 4928965, 7886344, 9857930, 18730067, 19715860, 37460134, 39431720, 74920268, 93650335, 149840536, 187300670, 374601340, 749202680]

約数ペア:

[(1, 749202680), (2, 374601340), (4, 187300670), (5, 149840536), (8, 93650335), (10, 74920268), (19, 39431720), (20, 37460134), (38, 19715860), (40, 18730067), (76, 9857930), (95, 7886344), (152, 4928965), (190, 3943172), (380, 1971586), (760, 985793), (977, 766840), (1009, 742520), (1954, 383420), (2018, 371260), (3908, 191710), (4036, 185630), (4885, 153368), (5045, 148504), (7816, 95855), (8072, 92815), (9770, 76684), (10090, 74252), (18563, 40360), (19171, 39080), (19540, 38342), (20180, 37126)]