247485830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 500333760

約数和(自身を除く): 252847930

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 193, 323, 386, 397, 646, 794, 965, 1615, 1930, 1985, 3230, 3281, 3667, 3970, 6562, 6749, 7334, 7543, 13498, 15086, 16405, 18335, 32810, 33745, 36670, 37715, 62339, 67490, 75430, 76621, 124678, 128231, 153242, 256462, 311695, 383105, 623390, 641155, 766210, 1282310, 1302557, 1455799, 2605114, 2911598, 6512785, 7278995, 13025570, 14557990, 24748583, 49497166, 123742915, 247485830]

約数ペア:

[(1, 247485830), (2, 123742915), (5, 49497166), (10, 24748583), (17, 14557990), (19, 13025570), (34, 7278995), (38, 6512785), (85, 2911598), (95, 2605114), (170, 1455799), (190, 1302557), (193, 1282310), (323, 766210), (386, 641155), (397, 623390), (646, 383105), (794, 311695), (965, 256462), (1615, 153242), (1930, 128231), (1985, 124678), (3230, 76621), (3281, 75430), (3667, 67490), (3970, 62339), (6562, 37715), (6749, 36670), (7334, 33745), (7543, 32810), (13498, 18335), (15086, 16405)]