1863867380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{8089}}^1$

素因数の和:8420

約数の個数: 48

約数和(自身を含む): 4024354320

約数和(自身を除く): 2160486940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 281, 410, 562, 820, 1124, 1405, 2810, 5620, 8089, 11521, 16178, 23042, 32356, 40445, 46084, 57605, 80890, 115210, 161780, 230420, 331649, 663298, 1326596, 1658245, 2273009, 3316490, 4546018, 6632980, 9092036, 11365045, 22730090, 45460180, 93193369, 186386738, 372773476, 465966845, 931933690, 1863867380]

約数ペア:

[(1, 1863867380), (2, 931933690), (4, 465966845), (5, 372773476), (10, 186386738), (20, 93193369), (41, 45460180), (82, 22730090), (164, 11365045), (205, 9092036), (281, 6632980), (410, 4546018), (562, 3316490), (820, 2273009), (1124, 1658245), (1405, 1326596), (2810, 663298), (5620, 331649), (8089, 230420), (11521, 161780), (16178, 115210), (23042, 80890), (32356, 57605), (40445, 46084)]