248298540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2089}}^1$

素因数の和:2391

約数の個数: 96

約数和(自身を含む): 797744640

約数和(自身を除く): 549446100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 283, 420, 566, 849, 1132, 1415, 1698, 1981, 2089, 2830, 3396, 3962, 4178, 4245, 5660, 5943, 6267, 7924, 8356, 8490, 9905, 10445, 11886, 12534, 14623, 16980, 19810, 20890, 23772, 25068, 29246, 29715, 31335, 39620, 41780, 43869, 58492, 59430, 62670, 73115, 87738, 118860, 125340, 146230, 175476, 219345, 292460, 438690, 591187, 877380, 1182374, 1773561, 2364748, 2955935, 3547122, 4138309, 5911870, 7094244, 8276618, 8867805, 11823740, 12414927, 16553236, 17735610, 20691545, 24829854, 35471220, 41383090, 49659708, 62074635, 82766180, 124149270, 248298540]

約数ペア:

[(1, 248298540), (2, 124149270), (3, 82766180), (4, 62074635), (5, 49659708), (6, 41383090), (7, 35471220), (10, 24829854), (12, 20691545), (14, 17735610), (15, 16553236), (20, 12414927), (21, 11823740), (28, 8867805), (30, 8276618), (35, 7094244), (42, 5911870), (60, 4138309), (70, 3547122), (84, 2955935), (105, 2364748), (140, 1773561), (210, 1182374), (283, 877380), (420, 591187), (566, 438690), (849, 292460), (1132, 219345), (1415, 175476), (1698, 146230), (1981, 125340), (2089, 118860), (2830, 87738), (3396, 73115), (3962, 62670), (4178, 59430), (4245, 58492), (5660, 43869), (5943, 41780), (6267, 39620), (7924, 31335), (8356, 29715), (8490, 29246), (9905, 25068), (10445, 23772), (11886, 20890), (12534, 19810), (14623, 16980)]