91701220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{977}}^1$

素因数の和:1037

約数の個数: 72

約数和(自身を含む): 219099384

約数和(自身を除く): 127398164

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 977, 988, 1235, 1444, 1805, 1954, 2470, 3610, 3908, 4693, 4885, 4940, 7220, 9386, 9770, 12701, 18563, 18772, 19540, 23465, 25402, 37126, 46930, 50804, 63505, 74252, 92815, 93860, 127010, 185630, 241319, 254020, 352697, 371260, 482638, 705394, 965276, 1206595, 1410788, 1763485, 2413190, 3526970, 4585061, 4826380, 7053940, 9170122, 18340244, 22925305, 45850610, 91701220]

約数ペア:

[(1, 91701220), (2, 45850610), (4, 22925305), (5, 18340244), (10, 9170122), (13, 7053940), (19, 4826380), (20, 4585061), (26, 3526970), (38, 2413190), (52, 1763485), (65, 1410788), (76, 1206595), (95, 965276), (130, 705394), (190, 482638), (247, 371260), (260, 352697), (361, 254020), (380, 241319), (494, 185630), (722, 127010), (977, 93860), (988, 92815), (1235, 74252), (1444, 63505), (1805, 50804), (1954, 46930), (2470, 37126), (3610, 25402), (3908, 23465), (4693, 19540), (4885, 18772), (4940, 18563), (7220, 12701), (9386, 9770)]