489904170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:852

約数の個数: 128

約数和(自身を含む): 1423872000

約数和(自身を除く): 933967830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 199, 210, 266, 285, 398, 399, 570, 597, 617, 665, 798, 995, 1194, 1234, 1330, 1393, 1851, 1990, 1995, 2786, 2985, 3085, 3702, 3781, 3990, 4179, 4319, 5970, 6170, 6965, 7562, 8358, 8638, 9255, 11343, 11723, 12957, 13930, 18510, 18905, 20895, 21595, 22686, 23446, 25914, 26467, 35169, 37810, 41790, 43190, 52934, 56715, 58615, 64785, 70338, 79401, 82061, 113430, 117230, 122783, 129570, 132335, 158802, 164122, 175845, 245566, 246183, 264670, 351690, 368349, 397005, 410305, 492366, 613915, 736698, 794010, 820610, 859481, 1227830, 1230915, 1718962, 1841745, 2332877, 2461830, 2578443, 3683490, 4297405, 4665754, 5156886, 6998631, 8594810, 11664385, 12892215, 13997262, 16330139, 23328770, 25784430, 32660278, 34993155, 48990417, 69986310, 81650695, 97980834, 163301390, 244952085, 489904170]

約数ペア:

[(1, 489904170), (2, 244952085), (3, 163301390), (5, 97980834), (6, 81650695), (7, 69986310), (10, 48990417), (14, 34993155), (15, 32660278), (19, 25784430), (21, 23328770), (30, 16330139), (35, 13997262), (38, 12892215), (42, 11664385), (57, 8594810), (70, 6998631), (95, 5156886), (105, 4665754), (114, 4297405), (133, 3683490), (190, 2578443), (199, 2461830), (210, 2332877), (266, 1841745), (285, 1718962), (398, 1230915), (399, 1227830), (570, 859481), (597, 820610), (617, 794010), (665, 736698), (798, 613915), (995, 492366), (1194, 410305), (1234, 397005), (1330, 368349), (1393, 351690), (1851, 264670), (1990, 246183), (1995, 245566), (2786, 175845), (2985, 164122), (3085, 158802), (3702, 132335), (3781, 129570), (3990, 122783), (4179, 117230), (4319, 113430), (5970, 82061), (6170, 79401), (6965, 70338), (7562, 64785), (8358, 58615), (8638, 56715), (9255, 52934), (11343, 43190), (11723, 41790), (12957, 37810), (13930, 35169), (18510, 26467), (18905, 25914), (20895, 23446), (21595, 22686)]