496571720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1801}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 1146288240

約数和(自身を除く): 649716520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 113, 122, 226, 244, 305, 452, 488, 565, 610, 904, 1130, 1220, 1801, 2260, 2440, 3602, 4520, 6893, 7204, 9005, 13786, 14408, 18010, 27572, 34465, 36020, 55144, 68930, 72040, 109861, 137860, 203513, 219722, 275720, 407026, 439444, 549305, 814052, 878888, 1017565, 1098610, 1628104, 2035130, 2197220, 4070260, 4394440, 8140520, 12414293, 24828586, 49657172, 62071465, 99314344, 124142930, 248285860, 496571720]

約数ペア:

[(1, 496571720), (2, 248285860), (4, 124142930), (5, 99314344), (8, 62071465), (10, 49657172), (20, 24828586), (40, 12414293), (61, 8140520), (113, 4394440), (122, 4070260), (226, 2197220), (244, 2035130), (305, 1628104), (452, 1098610), (488, 1017565), (565, 878888), (610, 814052), (904, 549305), (1130, 439444), (1220, 407026), (1801, 275720), (2260, 219722), (2440, 203513), (3602, 137860), (4520, 109861), (6893, 72040), (7204, 68930), (9005, 55144), (13786, 36020), (14408, 34465), (18010, 27572)]