1638857570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 3620505600

約数和(自身を除く): 1981648030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 89, 94, 145, 178, 193, 203, 235, 290, 329, 386, 406, 445, 470, 623, 658, 890, 965, 1015, 1246, 1351, 1363, 1645, 1930, 2030, 2581, 2702, 2726, 3115, 3290, 4183, 5162, 5597, 6230, 6755, 6815, 8366, 9071, 9541, 11194, 12905, 13510, 13630, 17177, 18067, 18142, 19082, 20915, 25810, 27985, 29281, 34354, 36134, 39179, 41830, 45355, 47705, 55970, 58562, 63497, 78358, 85885, 90335, 90710, 95410, 120239, 121307, 126994, 146405, 171770, 180670, 195895, 240478, 242614, 263059, 292810, 317485, 391790, 498133, 526118, 601195, 606535, 634970, 807319, 849149, 996266, 1202390, 1213070, 1315295, 1614638, 1698298, 1841413, 2490665, 2630590, 3486931, 3682826, 4036595, 4245745, 4981330, 5651233, 6973862, 8073190, 8491490, 9207065, 11302466, 17434655, 18414130, 23412251, 28256165, 34869310, 46824502, 56512330, 117061255, 163885757, 234122510, 327771514, 819428785, 1638857570]

約数ペア:

[(1, 1638857570), (2, 819428785), (5, 327771514), (7, 234122510), (10, 163885757), (14, 117061255), (29, 56512330), (35, 46824502), (47, 34869310), (58, 28256165), (70, 23412251), (89, 18414130), (94, 17434655), (145, 11302466), (178, 9207065), (193, 8491490), (203, 8073190), (235, 6973862), (290, 5651233), (329, 4981330), (386, 4245745), (406, 4036595), (445, 3682826), (470, 3486931), (623, 2630590), (658, 2490665), (890, 1841413), (965, 1698298), (1015, 1614638), (1246, 1315295), (1351, 1213070), (1363, 1202390), (1645, 996266), (1930, 849149), (2030, 807319), (2581, 634970), (2702, 606535), (2726, 601195), (3115, 526118), (3290, 498133), (4183, 391790), (5162, 317485), (5597, 292810), (6230, 263059), (6755, 242614), (6815, 240478), (8366, 195895), (9071, 180670), (9541, 171770), (11194, 146405), (12905, 126994), (13510, 121307), (13630, 120239), (17177, 95410), (18067, 90710), (18142, 90335), (19082, 85885), (20915, 78358), (25810, 63497), (27985, 58562), (29281, 55970), (34354, 47705), (36134, 45355), (39179, 41830)]