1999331340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1787}}^1$

素因数の和:2471

約数の個数: 96

約数和(自身を含む): 5803418880

約数和(自身を除く): 3804087540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 643, 870, 1286, 1740, 1787, 1929, 2572, 3215, 3574, 3858, 5361, 6430, 7148, 7716, 8935, 9645, 10722, 12860, 17870, 18647, 19290, 21444, 26805, 35740, 37294, 38580, 51823, 53610, 55941, 74588, 93235, 103646, 107220, 111882, 155469, 186470, 207292, 223764, 259115, 279705, 310938, 372940, 518230, 559410, 621876, 777345, 1036460, 1118820, 1149041, 1554690, 2298082, 3109380, 3447123, 4596164, 5745205, 6894246, 11490410, 13788492, 17235615, 22980820, 33322189, 34471230, 66644378, 68942460, 99966567, 133288756, 166610945, 199933134, 333221890, 399866268, 499832835, 666443780, 999665670, 1999331340]

約数ペア:

[(1, 1999331340), (2, 999665670), (3, 666443780), (4, 499832835), (5, 399866268), (6, 333221890), (10, 199933134), (12, 166610945), (15, 133288756), (20, 99966567), (29, 68942460), (30, 66644378), (58, 34471230), (60, 33322189), (87, 22980820), (116, 17235615), (145, 13788492), (174, 11490410), (290, 6894246), (348, 5745205), (435, 4596164), (580, 3447123), (643, 3109380), (870, 2298082), (1286, 1554690), (1740, 1149041), (1787, 1118820), (1929, 1036460), (2572, 777345), (3215, 621876), (3574, 559410), (3858, 518230), (5361, 372940), (6430, 310938), (7148, 279705), (7716, 259115), (8935, 223764), (9645, 207292), (10722, 186470), (12860, 155469), (17870, 111882), (18647, 107220), (19290, 103646), (21444, 93235), (26805, 74588), (35740, 55941), (37294, 53610), (38580, 51823)]