1902640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1429

約数の個数: 40

約数和(自身を含む): 4687200

約数和(自身を除く): 2784560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1399, 2798, 5596, 6995, 11192, 13990, 22384, 23783, 27980, 47566, 55960, 95132, 111920, 118915, 190264, 237830, 380528, 475660, 951320, 1902640]

約数ペア:

[(1, 1902640), (2, 951320), (4, 475660), (5, 380528), (8, 237830), (10, 190264), (16, 118915), (17, 111920), (20, 95132), (34, 55960), (40, 47566), (68, 27980), (80, 23783), (85, 22384), (136, 13990), (170, 11192), (272, 6995), (340, 5596), (680, 2798), (1360, 1399)]