77799020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4099}}^1$

素因数の和:4194

約数の個数: 48

約数和(自身を含む): 178399200

約数和(自身を除く): 100600180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4099, 4745, 8198, 9490, 16396, 18980, 20495, 40990, 53287, 81980, 106574, 213148, 266435, 299227, 532870, 598454, 1065740, 1196908, 1496135, 2992270, 3889951, 5984540, 7779902, 15559804, 19449755, 38899510, 77799020]

約数ペア:

[(1, 77799020), (2, 38899510), (4, 19449755), (5, 15559804), (10, 7779902), (13, 5984540), (20, 3889951), (26, 2992270), (52, 1496135), (65, 1196908), (73, 1065740), (130, 598454), (146, 532870), (260, 299227), (292, 266435), (365, 213148), (730, 106574), (949, 81980), (1460, 53287), (1898, 40990), (3796, 20495), (4099, 18980), (4745, 16396), (8198, 9490)]