281029388620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1\times {\mathrm{1307}}^1$

素因数の和:2587

約数の個数: 96

約数和(自身を含む): 603098395200

約数和(自身を除く): 322069006580

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 356, 445, 452, 565, 890, 1069, 1130, 1307, 1780, 2138, 2260, 2614, 4276, 5228, 5345, 6535, 10057, 10690, 13070, 20114, 21380, 26140, 40228, 50285, 95141, 100570, 116323, 120797, 147691, 190282, 201140, 232646, 241594, 295382, 380564, 465292, 475705, 483188, 581615, 590764, 603985, 738455, 951410, 1163230, 1207970, 1397183, 1476910, 1902820, 2326460, 2415940, 2794366, 2953820, 5588732, 6985915, 10750933, 13144499, 13971830, 21501866, 26288998, 27943660, 43003732, 52577996, 53754665, 65722495, 107509330, 124349287, 131444990, 157881679, 215018660, 248698574, 262889980, 315763358, 497397148, 621746435, 631526716, 789408395, 1243492870, 1578816790, 2486985740, 3157633580, 14051469431, 28102938862, 56205877724, 70257347155, 140514694310, 281029388620]

約数ペア:

[(1, 281029388620), (2, 140514694310), (4, 70257347155), (5, 56205877724), (10, 28102938862), (20, 14051469431), (89, 3157633580), (113, 2486985740), (178, 1578816790), (226, 1243492870), (356, 789408395), (445, 631526716), (452, 621746435), (565, 497397148), (890, 315763358), (1069, 262889980), (1130, 248698574), (1307, 215018660), (1780, 157881679), (2138, 131444990), (2260, 124349287), (2614, 107509330), (4276, 65722495), (5228, 53754665), (5345, 52577996), (6535, 43003732), (10057, 27943660), (10690, 26288998), (13070, 21501866), (20114, 13971830), (21380, 13144499), (26140, 10750933), (40228, 6985915), (50285, 5588732), (95141, 2953820), (100570, 2794366), (116323, 2415940), (120797, 2326460), (147691, 1902820), (190282, 1476910), (201140, 1397183), (232646, 1207970), (241594, 1163230), (295382, 951410), (380564, 738455), (465292, 603985), (475705, 590764), (483188, 581615)]