4087580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 10322928

約数和(自身を除く): 6235348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 97, 98, 140, 172, 194, 196, 215, 245, 301, 388, 430, 485, 490, 602, 679, 860, 970, 980, 1204, 1358, 1505, 1940, 2107, 2716, 3010, 3395, 4171, 4214, 4753, 6020, 6790, 8342, 8428, 9506, 10535, 13580, 16684, 19012, 20855, 21070, 23765, 29197, 41710, 42140, 47530, 58394, 83420, 95060, 116788, 145985, 204379, 291970, 408758, 583940, 817516, 1021895, 2043790, 4087580]

約数ペア:

[(1, 4087580), (2, 2043790), (4, 1021895), (5, 817516), (7, 583940), (10, 408758), (14, 291970), (20, 204379), (28, 145985), (35, 116788), (43, 95060), (49, 83420), (70, 58394), (86, 47530), (97, 42140), (98, 41710), (140, 29197), (172, 23765), (194, 21070), (196, 20855), (215, 19012), (245, 16684), (301, 13580), (388, 10535), (430, 9506), (485, 8428), (490, 8342), (602, 6790), (679, 6020), (860, 4753), (970, 4214), (980, 4171), (1204, 3395), (1358, 3010), (1505, 2716), (1940, 2107)]