208075790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 418279680

約数和(自身を除く): 210203890

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 181, 185, 239, 362, 370, 478, 481, 905, 962, 1195, 1810, 2353, 2390, 2405, 3107, 4706, 4810, 6214, 6697, 8843, 11765, 13394, 15535, 17686, 23530, 31070, 33485, 43259, 44215, 66970, 86518, 87061, 88430, 114959, 174122, 216295, 229918, 432590, 435305, 562367, 574795, 870610, 1124734, 1149590, 1600583, 2811835, 3201166, 5623670, 8002915, 16005830, 20807579, 41615158, 104037895, 208075790]

約数ペア:

[(1, 208075790), (2, 104037895), (5, 41615158), (10, 20807579), (13, 16005830), (26, 8002915), (37, 5623670), (65, 3201166), (74, 2811835), (130, 1600583), (181, 1149590), (185, 1124734), (239, 870610), (362, 574795), (370, 562367), (478, 435305), (481, 432590), (905, 229918), (962, 216295), (1195, 174122), (1810, 114959), (2353, 88430), (2390, 87061), (2405, 86518), (3107, 66970), (4706, 44215), (4810, 43259), (6214, 33485), (6697, 31070), (8843, 23530), (11765, 17686), (13394, 15535)]