258777740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 625895424

約数和(自身を除く): 367117684

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 254, 260, 340, 442, 461, 508, 635, 884, 922, 1105, 1270, 1651, 1844, 2159, 2210, 2305, 2540, 3302, 4318, 4420, 4610, 5993, 6604, 7837, 8255, 8636, 9220, 10795, 11986, 15674, 16510, 21590, 23972, 28067, 29965, 31348, 33020, 39185, 43180, 56134, 58547, 59930, 78370, 101881, 112268, 117094, 119860, 140335, 156740, 203762, 234188, 280670, 292735, 407524, 509405, 561340, 585470, 761111, 995299, 1018810, 1170940, 1522222, 1990598, 2037620, 3044444, 3805555, 3981196, 4976495, 7611110, 9952990, 12938887, 15222220, 19905980, 25877774, 51755548, 64694435, 129388870, 258777740]

約数ペア:

[(1, 258777740), (2, 129388870), (4, 64694435), (5, 51755548), (10, 25877774), (13, 19905980), (17, 15222220), (20, 12938887), (26, 9952990), (34, 7611110), (52, 4976495), (65, 3981196), (68, 3805555), (85, 3044444), (127, 2037620), (130, 1990598), (170, 1522222), (221, 1170940), (254, 1018810), (260, 995299), (340, 761111), (442, 585470), (461, 561340), (508, 509405), (635, 407524), (884, 292735), (922, 280670), (1105, 234188), (1270, 203762), (1651, 156740), (1844, 140335), (2159, 119860), (2210, 117094), (2305, 112268), (2540, 101881), (3302, 78370), (4318, 59930), (4420, 58547), (4610, 56134), (5993, 43180), (6604, 39185), (7837, 33020), (8255, 31348), (8636, 29965), (9220, 28067), (10795, 23972), (11986, 21590), (15674, 16510)]