235297020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 772668288

約数和(自身を除く): 537371268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 196, 210, 245, 294, 326, 420, 489, 490, 491, 588, 652, 735, 815, 978, 980, 982, 1141, 1470, 1473, 1630, 1956, 1964, 2282, 2445, 2455, 2940, 2946, 3260, 3423, 3437, 4564, 4890, 4910, 5705, 5892, 6846, 6874, 7365, 7987, 9780, 9820, 10311, 11410, 13692, 13748, 14730, 15974, 17115, 17185, 20622, 22820, 23961, 24059, 29460, 31948, 34230, 34370, 39935, 41244, 47922, 48118, 51555, 68460, 68740, 72177, 79870, 80033, 95844, 96236, 103110, 119805, 120295, 144354, 159740, 160066, 206220, 239610, 240099, 240590, 288708, 320132, 360885, 400165, 479220, 480198, 481180, 560231, 721770, 800330, 960396, 1120462, 1200495, 1443540, 1600660, 1680693, 2240924, 2400990, 2801155, 3361386, 3921617, 4801980, 5602310, 6722772, 7843234, 8403465, 11204620, 11764851, 15686468, 16806930, 19608085, 23529702, 33613860, 39216170, 47059404, 58824255, 78432340, 117648510, 235297020]

約数ペア:

[(1, 235297020), (2, 117648510), (3, 78432340), (4, 58824255), (5, 47059404), (6, 39216170), (7, 33613860), (10, 23529702), (12, 19608085), (14, 16806930), (15, 15686468), (20, 11764851), (21, 11204620), (28, 8403465), (30, 7843234), (35, 6722772), (42, 5602310), (49, 4801980), (60, 3921617), (70, 3361386), (84, 2801155), (98, 2400990), (105, 2240924), (140, 1680693), (147, 1600660), (163, 1443540), (196, 1200495), (210, 1120462), (245, 960396), (294, 800330), (326, 721770), (420, 560231), (489, 481180), (490, 480198), (491, 479220), (588, 400165), (652, 360885), (735, 320132), (815, 288708), (978, 240590), (980, 240099), (982, 239610), (1141, 206220), (1470, 160066), (1473, 159740), (1630, 144354), (1956, 120295), (1964, 119805), (2282, 103110), (2445, 96236), (2455, 95844), (2940, 80033), (2946, 79870), (3260, 72177), (3423, 68740), (3437, 68460), (4564, 51555), (4890, 48118), (4910, 47922), (5705, 41244), (5892, 39935), (6846, 34370), (6874, 34230), (7365, 31948), (7987, 29460), (9780, 24059), (9820, 23961), (10311, 22820), (11410, 20622), (13692, 17185), (13748, 17115), (14730, 15974)]