31030610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 67132800

約数和(自身を除く): 36102190

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 739, 1105, 1235, 1478, 1615, 2210, 2470, 3230, 3695, 4199, 7390, 8398, 9607, 12563, 14041, 19214, 20995, 25126, 28082, 41990, 48035, 62815, 70205, 96070, 125630, 140410, 163319, 182533, 238697, 326638, 365066, 477394, 816595, 912665, 1193485, 1633190, 1825330, 2386970, 3103061, 6206122, 15515305, 31030610]

約数ペア:

[(1, 31030610), (2, 15515305), (5, 6206122), (10, 3103061), (13, 2386970), (17, 1825330), (19, 1633190), (26, 1193485), (34, 912665), (38, 816595), (65, 477394), (85, 365066), (95, 326638), (130, 238697), (170, 182533), (190, 163319), (221, 140410), (247, 125630), (323, 96070), (442, 70205), (494, 62815), (646, 48035), (739, 41990), (1105, 28082), (1235, 25126), (1478, 20995), (1615, 19214), (2210, 14041), (2470, 12563), (3230, 9607), (3695, 8398), (4199, 7390)]