291264604

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 580230000

約数和(自身を除く): 288965396

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 149, 178, 289, 298, 323, 356, 578, 596, 646, 1156, 1292, 1513, 1691, 2533, 2831, 3026, 3382, 5066, 5491, 5662, 6052, 6764, 10132, 10982, 11324, 13261, 21964, 25721, 26522, 28747, 43061, 48127, 51442, 53044, 57494, 86122, 96254, 102884, 114988, 172244, 192508, 225437, 251959, 450874, 488699, 503918, 818159, 901748, 977398, 1007836, 1636318, 1954796, 3272636, 3832429, 4283303, 7664858, 8566606, 15329716, 17133212, 72816151, 145632302, 291264604]

約数ペア:

[(1, 291264604), (2, 145632302), (4, 72816151), (17, 17133212), (19, 15329716), (34, 8566606), (38, 7664858), (68, 4283303), (76, 3832429), (89, 3272636), (149, 1954796), (178, 1636318), (289, 1007836), (298, 977398), (323, 901748), (356, 818159), (578, 503918), (596, 488699), (646, 450874), (1156, 251959), (1292, 225437), (1513, 192508), (1691, 172244), (2533, 114988), (2831, 102884), (3026, 96254), (3382, 86122), (5066, 57494), (5491, 53044), (5662, 51442), (6052, 48127), (6764, 43061), (10132, 28747), (10982, 26522), (11324, 25721), (13261, 21964)]