392920090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 715708224

約数和(自身を除く): 322788134

約数列:

[1, 2, 5, 10, 131, 262, 307, 614, 655, 977, 1310, 1535, 1954, 3070, 4885, 9770, 40217, 80434, 127987, 201085, 255974, 299939, 402170, 599878, 639935, 1279870, 1499695, 2999390, 39292009, 78584018, 196460045, 392920090]

約数ペア:

[(1, 392920090), (2, 196460045), (5, 78584018), (10, 39292009), (131, 2999390), (262, 1499695), (307, 1279870), (614, 639935), (655, 599878), (977, 402170), (1310, 299939), (1535, 255974), (1954, 201085), (3070, 127987), (4885, 80434), (9770, 40217)]