204479710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{26249}}^1$

素因数の和:26316

約数の個数: 32

約数和(自身を含む): 396900000

約数和(自身を除く): 192420290

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 26249, 52498, 131245, 262490, 498731, 997462, 1076209, 2152418, 2493655, 4987310, 5381045, 10762090, 20447971, 40895942, 102239855, 204479710]

約数ペア:

[(1, 204479710), (2, 102239855), (5, 40895942), (10, 20447971), (19, 10762090), (38, 5381045), (41, 4987310), (82, 2493655), (95, 2152418), (190, 1076209), (205, 997462), (410, 498731), (779, 262490), (1558, 131245), (3895, 52498), (7790, 26249)]