7421020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 16732800

約数和(自身を除く): 9311780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 331, 380, 590, 662, 1121, 1180, 1324, 1655, 2242, 3310, 4484, 5605, 6289, 6620, 11210, 12578, 19529, 22420, 25156, 31445, 39058, 62890, 78116, 97645, 125780, 195290, 371051, 390580, 742102, 1484204, 1855255, 3710510, 7421020]

約数ペア:

[(1, 7421020), (2, 3710510), (4, 1855255), (5, 1484204), (10, 742102), (19, 390580), (20, 371051), (38, 195290), (59, 125780), (76, 97645), (95, 78116), (118, 62890), (190, 39058), (236, 31445), (295, 25156), (331, 22420), (380, 19529), (590, 12578), (662, 11210), (1121, 6620), (1180, 6289), (1324, 5605), (1655, 4484), (2242, 3310)]