291205740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{881}}^1$

素因数の和:1687

約数の個数: 96

約数和(自身を含む): 934101504

約数和(自身を除く): 642895764

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, 420, 787, 881, 1574, 1762, 2361, 2643, 3148, 3524, 3935, 4405, 4722, 5286, 5509, 6167, 7870, 8810, 9444, 10572, 11018, 11805, 12334, 13215, 15740, 16527, 17620, 18501, 22036, 23610, 24668, 26430, 27545, 30835, 33054, 37002, 47220, 52860, 55090, 61670, 66108, 74004, 82635, 92505, 110180, 123340, 165270, 185010, 330540, 370020, 693347, 1386694, 2080041, 2773388, 3466735, 4160082, 4853429, 6933470, 8320164, 9706858, 10400205, 13866940, 14560287, 19413716, 20800410, 24267145, 29120574, 41600820, 48534290, 58241148, 72801435, 97068580, 145602870, 291205740]

約数ペア:

[(1, 291205740), (2, 145602870), (3, 97068580), (4, 72801435), (5, 58241148), (6, 48534290), (7, 41600820), (10, 29120574), (12, 24267145), (14, 20800410), (15, 19413716), (20, 14560287), (21, 13866940), (28, 10400205), (30, 9706858), (35, 8320164), (42, 6933470), (60, 4853429), (70, 4160082), (84, 3466735), (105, 2773388), (140, 2080041), (210, 1386694), (420, 693347), (787, 370020), (881, 330540), (1574, 185010), (1762, 165270), (2361, 123340), (2643, 110180), (3148, 92505), (3524, 82635), (3935, 74004), (4405, 66108), (4722, 61670), (5286, 55090), (5509, 52860), (6167, 47220), (7870, 37002), (8810, 33054), (9444, 30835), (10572, 27545), (11018, 26430), (11805, 24668), (12334, 23610), (13215, 22036), (15740, 18501), (16527, 17620)]