631180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 900980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 151, 190, 209, 220, 302, 380, 418, 604, 755, 836, 1045, 1510, 1661, 2090, 2869, 3020, 3322, 4180, 5738, 6644, 8305, 11476, 14345, 16610, 28690, 31559, 33220, 57380, 63118, 126236, 157795, 315590, 631180]

約数ペア:

[(1, 631180), (2, 315590), (4, 157795), (5, 126236), (10, 63118), (11, 57380), (19, 33220), (20, 31559), (22, 28690), (38, 16610), (44, 14345), (55, 11476), (76, 8305), (95, 6644), (110, 5738), (151, 4180), (190, 3322), (209, 3020), (220, 2869), (302, 2090), (380, 1661), (418, 1510), (604, 1045), (755, 836)]