788392460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1\times {\mathrm{1483}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 1745184000

約数和(自身を除く): 956791540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1399, 1483, 2798, 2966, 5596, 5932, 6995, 7415, 13990, 14830, 26581, 27980, 28177, 29660, 53162, 56354, 106324, 112708, 132905, 140885, 265810, 281770, 531620, 563540, 2074717, 4149434, 8298868, 10373585, 20747170, 39419623, 41494340, 78839246, 157678492, 197098115, 394196230, 788392460]

約数ペア:

[(1, 788392460), (2, 394196230), (4, 197098115), (5, 157678492), (10, 78839246), (19, 41494340), (20, 39419623), (38, 20747170), (76, 10373585), (95, 8298868), (190, 4149434), (380, 2074717), (1399, 563540), (1483, 531620), (2798, 281770), (2966, 265810), (5596, 140885), (5932, 132905), (6995, 112708), (7415, 106324), (13990, 56354), (14830, 53162), (26581, 29660), (27980, 28177)]