213712890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4027}}^1$

素因数の和:4127

約数の個数: 64

約数和(自身を含む): 539429760

約数和(自身を除く): 325716870

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 61, 87, 122, 145, 174, 183, 290, 305, 366, 435, 610, 870, 915, 1769, 1830, 3538, 4027, 5307, 8054, 8845, 10614, 12081, 17690, 20135, 24162, 26535, 40270, 53070, 60405, 116783, 120810, 233566, 245647, 350349, 491294, 583915, 700698, 736941, 1167830, 1228235, 1473882, 1751745, 2456470, 3503490, 3684705, 7123763, 7369410, 14247526, 21371289, 35618815, 42742578, 71237630, 106856445, 213712890]

約数ペア:

[(1, 213712890), (2, 106856445), (3, 71237630), (5, 42742578), (6, 35618815), (10, 21371289), (15, 14247526), (29, 7369410), (30, 7123763), (58, 3684705), (61, 3503490), (87, 2456470), (122, 1751745), (145, 1473882), (174, 1228235), (183, 1167830), (290, 736941), (305, 700698), (366, 583915), (435, 491294), (610, 350349), (870, 245647), (915, 233566), (1769, 120810), (1830, 116783), (3538, 60405), (4027, 53070), (5307, 40270), (8054, 26535), (8845, 24162), (10614, 20135), (12081, 17690)]