980490290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{919}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 1975276800

約数和(自身を除く): 994786510

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 283, 290, 377, 566, 754, 919, 1415, 1838, 1885, 2830, 3679, 3770, 4595, 7358, 8207, 9190, 11947, 16414, 18395, 23894, 26651, 36790, 41035, 53302, 59735, 82070, 106691, 119470, 133255, 213382, 260077, 266510, 346463, 520154, 533455, 692926, 1066910, 1300385, 1732315, 2600770, 3381001, 3464630, 6762002, 7542233, 15084466, 16905005, 33810010, 37711165, 75422330, 98049029, 196098058, 490245145, 980490290]

約数ペア:

[(1, 980490290), (2, 490245145), (5, 196098058), (10, 98049029), (13, 75422330), (26, 37711165), (29, 33810010), (58, 16905005), (65, 15084466), (130, 7542233), (145, 6762002), (283, 3464630), (290, 3381001), (377, 2600770), (566, 1732315), (754, 1300385), (919, 1066910), (1415, 692926), (1838, 533455), (1885, 520154), (2830, 346463), (3679, 266510), (3770, 260077), (4595, 213382), (7358, 133255), (8207, 119470), (9190, 106691), (11947, 82070), (16414, 59735), (18395, 53302), (23894, 41035), (26651, 36790)]