287429320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 668965680

約数和(自身を除く): 381536360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 314, 370, 628, 740, 785, 1237, 1256, 1480, 1570, 2474, 3140, 4948, 5809, 6185, 6280, 9896, 11618, 12370, 23236, 24740, 29045, 45769, 46472, 49480, 58090, 91538, 116180, 183076, 194209, 228845, 232360, 366152, 388418, 457690, 776836, 915380, 971045, 1553672, 1830760, 1942090, 3884180, 7185733, 7768360, 14371466, 28742932, 35928665, 57485864, 71857330, 143714660, 287429320]

約数ペア:

[(1, 287429320), (2, 143714660), (4, 71857330), (5, 57485864), (8, 35928665), (10, 28742932), (20, 14371466), (37, 7768360), (40, 7185733), (74, 3884180), (148, 1942090), (157, 1830760), (185, 1553672), (296, 971045), (314, 915380), (370, 776836), (628, 457690), (740, 388418), (785, 366152), (1237, 232360), (1256, 228845), (1480, 194209), (1570, 183076), (2474, 116180), (3140, 91538), (4948, 58090), (5809, 49480), (6185, 46472), (6280, 45769), (9896, 29045), (11618, 24740), (12370, 23236)]