2019980770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1\times {\mathrm{7639}}^1$

素因数の和:8530

約数の個数: 32

約数和(自身を含む): 3758146560

約数和(自身を除く): 1738165790

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 853, 1706, 4265, 7639, 8530, 15278, 26443, 38195, 52886, 76390, 132215, 236809, 264430, 473618, 1184045, 2368090, 6516067, 13032134, 32580335, 65160670, 201998077, 403996154, 1009990385, 2019980770]

約数ペア:

[(1, 2019980770), (2, 1009990385), (5, 403996154), (10, 201998077), (31, 65160670), (62, 32580335), (155, 13032134), (310, 6516067), (853, 2368090), (1706, 1184045), (4265, 473618), (7639, 264430), (8530, 236809), (15278, 132215), (26443, 76390), (38195, 52886)]