491098760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 1213056000

約数和(自身を除く): 721957240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 79, 92, 115, 116, 145, 158, 184, 230, 232, 233, 290, 316, 395, 460, 466, 580, 632, 667, 790, 920, 932, 1160, 1165, 1334, 1580, 1817, 1864, 2291, 2330, 2668, 3160, 3335, 3634, 4582, 4660, 5336, 5359, 6670, 6757, 7268, 9085, 9164, 9320, 10718, 11455, 13340, 13514, 14536, 18170, 18328, 18407, 21436, 22910, 26680, 26795, 27028, 33785, 36340, 36814, 42872, 45820, 52693, 53590, 54056, 67570, 72680, 73628, 91640, 92035, 105386, 107180, 135140, 147256, 155411, 184070, 210772, 214360, 263465, 270280, 310822, 368140, 421544, 423361, 526930, 533803, 621644, 736280, 777055, 846722, 1053860, 1067606, 1243288, 1554110, 1693444, 2107720, 2116805, 2135212, 2669015, 3108220, 3386888, 4233610, 4270424, 5338030, 6216440, 8467220, 10676060, 12277469, 16934440, 21352120, 24554938, 49109876, 61387345, 98219752, 122774690, 245549380, 491098760]

約数ペア:

[(1, 491098760), (2, 245549380), (4, 122774690), (5, 98219752), (8, 61387345), (10, 49109876), (20, 24554938), (23, 21352120), (29, 16934440), (40, 12277469), (46, 10676060), (58, 8467220), (79, 6216440), (92, 5338030), (115, 4270424), (116, 4233610), (145, 3386888), (158, 3108220), (184, 2669015), (230, 2135212), (232, 2116805), (233, 2107720), (290, 1693444), (316, 1554110), (395, 1243288), (460, 1067606), (466, 1053860), (580, 846722), (632, 777055), (667, 736280), (790, 621644), (920, 533803), (932, 526930), (1160, 423361), (1165, 421544), (1334, 368140), (1580, 310822), (1817, 270280), (1864, 263465), (2291, 214360), (2330, 210772), (2668, 184070), (3160, 155411), (3335, 147256), (3634, 135140), (4582, 107180), (4660, 105386), (5336, 92035), (5359, 91640), (6670, 73628), (6757, 72680), (7268, 67570), (9085, 54056), (9164, 53590), (9320, 52693), (10718, 45820), (11455, 42872), (13340, 36814), (13514, 36340), (14536, 33785), (18170, 27028), (18328, 26795), (18407, 26680), (21436, 22910)]