31365580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1399}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 70560000

約数和(自身を除く): 39194420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 1399, 2242, 2798, 4484, 5596, 5605, 6995, 11210, 13990, 22420, 26581, 27980, 53162, 82541, 106324, 132905, 165082, 265810, 330164, 412705, 531620, 825410, 1568279, 1650820, 3136558, 6273116, 7841395, 15682790, 31365580]

約数ペア:

[(1, 31365580), (2, 15682790), (4, 7841395), (5, 6273116), (10, 3136558), (19, 1650820), (20, 1568279), (38, 825410), (59, 531620), (76, 412705), (95, 330164), (118, 265810), (190, 165082), (236, 132905), (295, 106324), (380, 82541), (590, 53162), (1121, 27980), (1180, 26581), (1399, 22420), (2242, 13990), (2798, 11210), (4484, 6995), (5596, 5605)]