385953880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{742219}}^1$

素因数の和:742243

約数の個数: 32

約数和(自身を含む): 935197200

約数和(自身を除く): 549243320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 742219, 1484438, 2968876, 3711095, 5937752, 7422190, 9648847, 14844380, 19297694, 29688760, 38595388, 48244235, 77190776, 96488470, 192976940, 385953880]

約数ペア:

[(1, 385953880), (2, 192976940), (4, 96488470), (5, 77190776), (8, 48244235), (10, 38595388), (13, 29688760), (20, 19297694), (26, 14844380), (40, 9648847), (52, 7422190), (65, 5937752), (104, 3711095), (130, 2968876), (260, 1484438), (520, 742219)]