620373880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{12241}}^1$

素因数の和:12440

約数の個数: 64

約数和(自身を含む): 1604191680

約数和(自身を除く): 983817800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2534, 3620, 5068, 6335, 7240, 10136, 12241, 12670, 24482, 25340, 48964, 50680, 61205, 85687, 97928, 122410, 171374, 244820, 342748, 428435, 489640, 685496, 856870, 1713740, 2215621, 3427480, 4431242, 8862484, 11078105, 15509347, 17724968, 22156210, 31018694, 44312420, 62037388, 77546735, 88624840, 124074776, 155093470, 310186940, 620373880]

約数ペア:

[(1, 620373880), (2, 310186940), (4, 155093470), (5, 124074776), (7, 88624840), (8, 77546735), (10, 62037388), (14, 44312420), (20, 31018694), (28, 22156210), (35, 17724968), (40, 15509347), (56, 11078105), (70, 8862484), (140, 4431242), (181, 3427480), (280, 2215621), (362, 1713740), (724, 856870), (905, 685496), (1267, 489640), (1448, 428435), (1810, 342748), (2534, 244820), (3620, 171374), (5068, 122410), (6335, 97928), (7240, 85687), (10136, 61205), (12241, 50680), (12670, 48964), (24482, 25340)]