137888920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 335653920

約数和(自身を除く): 197765000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 520, 566, 937, 1132, 1415, 1874, 2264, 2830, 3679, 3748, 4685, 5660, 7358, 7496, 9370, 11320, 12181, 14716, 18395, 18740, 24362, 29432, 36790, 37480, 48724, 60905, 73580, 97448, 121810, 147160, 243620, 265171, 487240, 530342, 1060684, 1325855, 2121368, 2651710, 3447223, 5303420, 6894446, 10606840, 13788892, 17236115, 27577784, 34472230, 68944460, 137888920]

約数ペア:

[(1, 137888920), (2, 68944460), (4, 34472230), (5, 27577784), (8, 17236115), (10, 13788892), (13, 10606840), (20, 6894446), (26, 5303420), (40, 3447223), (52, 2651710), (65, 2121368), (104, 1325855), (130, 1060684), (260, 530342), (283, 487240), (520, 265171), (566, 243620), (937, 147160), (1132, 121810), (1415, 97448), (1874, 73580), (2264, 60905), (2830, 48724), (3679, 37480), (3748, 36790), (4685, 29432), (5660, 24362), (7358, 18740), (7496, 18395), (9370, 14716), (11320, 12181)]