328676540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{4021}}^1$

素因数の和:4158

約数の個数: 48

約数和(自身を含む): 712183584

約数和(自身を除く): 383507044

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 4021, 4087, 8042, 8174, 16084, 16348, 20105, 20435, 40210, 40870, 80420, 81740, 245281, 269407, 490562, 538814, 981124, 1077628, 1226405, 1347035, 2452810, 2694070, 4905620, 5388140, 16433827, 32867654, 65735308, 82169135, 164338270, 328676540]

約数ペア:

[(1, 328676540), (2, 164338270), (4, 82169135), (5, 65735308), (10, 32867654), (20, 16433827), (61, 5388140), (67, 4905620), (122, 2694070), (134, 2452810), (244, 1347035), (268, 1226405), (305, 1077628), (335, 981124), (610, 538814), (670, 490562), (1220, 269407), (1340, 245281), (4021, 81740), (4087, 80420), (8042, 40870), (8174, 40210), (16084, 20435), (16348, 20105)]