649367080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1693}}^1$

素因数の和:1970

約数の個数: 64

約数和(自身を含む): 1502645760

約数和(自身を除く): 853278680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 223, 344, 430, 446, 860, 892, 1115, 1693, 1720, 1784, 2230, 3386, 4460, 6772, 8465, 8920, 9589, 13544, 16930, 19178, 33860, 38356, 47945, 67720, 72799, 76712, 95890, 145598, 191780, 291196, 363995, 377539, 383560, 582392, 727990, 755078, 1455980, 1510156, 1887695, 2911960, 3020312, 3775390, 7550780, 15101560, 16234177, 32468354, 64936708, 81170885, 129873416, 162341770, 324683540, 649367080]

約数ペア:

[(1, 649367080), (2, 324683540), (4, 162341770), (5, 129873416), (8, 81170885), (10, 64936708), (20, 32468354), (40, 16234177), (43, 15101560), (86, 7550780), (172, 3775390), (215, 3020312), (223, 2911960), (344, 1887695), (430, 1510156), (446, 1455980), (860, 755078), (892, 727990), (1115, 582392), (1693, 383560), (1720, 377539), (1784, 363995), (2230, 291196), (3386, 191780), (4460, 145598), (6772, 95890), (8465, 76712), (8920, 72799), (9589, 67720), (13544, 47945), (16930, 38356), (19178, 33860)]