131438770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{853}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 249641280

約数和(自身を除く): 118202510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 811, 853, 1622, 1706, 4055, 4265, 8110, 8530, 15409, 16207, 30818, 32414, 77045, 81035, 154090, 162070, 691783, 1383566, 3458915, 6917830, 13143877, 26287754, 65719385, 131438770]

約数ペア:

[(1, 131438770), (2, 65719385), (5, 26287754), (10, 13143877), (19, 6917830), (38, 3458915), (95, 1383566), (190, 691783), (811, 162070), (853, 154090), (1622, 81035), (1706, 77045), (4055, 32414), (4265, 30818), (8110, 16207), (8530, 15409)]