486297320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1693}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 1126984320

約数和(自身を除く): 640687000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 668, 835, 860, 1336, 1670, 1693, 1720, 3340, 3386, 6680, 6772, 7181, 8465, 13544, 14362, 16930, 28724, 33860, 35905, 57448, 67720, 71810, 72799, 143620, 145598, 282731, 287240, 291196, 363995, 565462, 582392, 727990, 1130924, 1413655, 1455980, 2261848, 2827310, 2911960, 5654620, 11309240, 12157433, 24314866, 48629732, 60787165, 97259464, 121574330, 243148660, 486297320]

約数ペア:

[(1, 486297320), (2, 243148660), (4, 121574330), (5, 97259464), (8, 60787165), (10, 48629732), (20, 24314866), (40, 12157433), (43, 11309240), (86, 5654620), (167, 2911960), (172, 2827310), (215, 2261848), (334, 1455980), (344, 1413655), (430, 1130924), (668, 727990), (835, 582392), (860, 565462), (1336, 363995), (1670, 291196), (1693, 287240), (1720, 282731), (3340, 145598), (3386, 143620), (6680, 72799), (6772, 71810), (7181, 67720), (8465, 57448), (13544, 35905), (14362, 33860), (16930, 28724)]