311976490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 667388160

約数和(自身を除く): 355411670

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 313, 406, 491, 626, 982, 1015, 1565, 2030, 2191, 2455, 3130, 3437, 4382, 4910, 6874, 9077, 10955, 14239, 17185, 18154, 21910, 28478, 34370, 45385, 63539, 71195, 90770, 99673, 127078, 142390, 153683, 199346, 307366, 317695, 498365, 635390, 768415, 996730, 1075781, 1536830, 2151562, 4456807, 5378905, 8913614, 10757810, 22284035, 31197649, 44568070, 62395298, 155988245, 311976490]

約数ペア:

[(1, 311976490), (2, 155988245), (5, 62395298), (7, 44568070), (10, 31197649), (14, 22284035), (29, 10757810), (35, 8913614), (58, 5378905), (70, 4456807), (145, 2151562), (203, 1536830), (290, 1075781), (313, 996730), (406, 768415), (491, 635390), (626, 498365), (982, 317695), (1015, 307366), (1565, 199346), (2030, 153683), (2191, 142390), (2455, 127078), (3130, 99673), (3437, 90770), (4382, 71195), (4910, 63539), (6874, 45385), (9077, 34370), (10955, 28478), (14239, 21910), (17185, 18154)]