2908367620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{5099}}^1$

素因数の和:5225

約数の個数: 72

約数和(自身を含む): 6528816000

約数和(自身を除く): 3620448380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 361, 380, 395, 722, 790, 1444, 1501, 1580, 1805, 3002, 3610, 5099, 6004, 7220, 7505, 10198, 15010, 20396, 25495, 28519, 30020, 50990, 57038, 96881, 101980, 114076, 142595, 193762, 285190, 387524, 402821, 484405, 570380, 805642, 968810, 1611284, 1840739, 1937620, 2014105, 3681478, 4028210, 7362956, 7653599, 8056420, 9203695, 15307198, 18407390, 30614396, 36814780, 38267995, 76535990, 145418381, 153071980, 290836762, 581673524, 727091905, 1454183810, 2908367620]

約数ペア:

[(1, 2908367620), (2, 1454183810), (4, 727091905), (5, 581673524), (10, 290836762), (19, 153071980), (20, 145418381), (38, 76535990), (76, 38267995), (79, 36814780), (95, 30614396), (158, 18407390), (190, 15307198), (316, 9203695), (361, 8056420), (380, 7653599), (395, 7362956), (722, 4028210), (790, 3681478), (1444, 2014105), (1501, 1937620), (1580, 1840739), (1805, 1611284), (3002, 968810), (3610, 805642), (5099, 570380), (6004, 484405), (7220, 402821), (7505, 387524), (10198, 285190), (15010, 193762), (20396, 142595), (25495, 114076), (28519, 101980), (30020, 96881), (50990, 57038)]