250921060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 580415976

約数和(自身を除く): 329494916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 1217, 1220, 1586, 1690, 2434, 3172, 3380, 3965, 4868, 6085, 7930, 10309, 12170, 15821, 15860, 20618, 24340, 31642, 41236, 51545, 63284, 74237, 79105, 103090, 148474, 158210, 205673, 206180, 296948, 316420, 371185, 411346, 742370, 822692, 965081, 1028365, 1484740, 1930162, 2056730, 3860324, 4113460, 4825405, 9650810, 12546053, 19301620, 25092106, 50184212, 62730265, 125460530, 250921060]

約数ペア:

[(1, 250921060), (2, 125460530), (4, 62730265), (5, 50184212), (10, 25092106), (13, 19301620), (20, 12546053), (26, 9650810), (52, 4825405), (61, 4113460), (65, 3860324), (122, 2056730), (130, 1930162), (169, 1484740), (244, 1028365), (260, 965081), (305, 822692), (338, 742370), (610, 411346), (676, 371185), (793, 316420), (845, 296948), (1217, 206180), (1220, 205673), (1586, 158210), (1690, 148474), (2434, 103090), (3172, 79105), (3380, 74237), (3965, 63284), (4868, 51545), (6085, 41236), (7930, 31642), (10309, 24340), (12170, 20618), (15821, 15860)]