69894580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 173258568

約数和(自身を除く): 103363988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 977, 980, 1022, 1460, 1954, 2044, 2555, 3577, 3908, 4885, 5110, 6839, 7154, 9770, 10220, 13678, 14308, 17885, 19540, 27356, 34195, 35770, 47873, 68390, 71321, 71540, 95746, 136780, 142642, 191492, 239365, 285284, 356605, 478730, 499247, 713210, 957460, 998494, 1426420, 1996988, 2496235, 3494729, 4992470, 6989458, 9984940, 13978916, 17473645, 34947290, 69894580]

約数ペア:

[(1, 69894580), (2, 34947290), (4, 17473645), (5, 13978916), (7, 9984940), (10, 6989458), (14, 4992470), (20, 3494729), (28, 2496235), (35, 1996988), (49, 1426420), (70, 998494), (73, 957460), (98, 713210), (140, 499247), (146, 478730), (196, 356605), (245, 285284), (292, 239365), (365, 191492), (490, 142642), (511, 136780), (730, 95746), (977, 71540), (980, 71321), (1022, 68390), (1460, 47873), (1954, 35770), (2044, 34195), (2555, 27356), (3577, 19540), (3908, 17885), (4885, 14308), (5110, 13678), (6839, 10220), (7154, 9770)]