388805980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{3677}}^1$

素因数の和:4014

約数の個数: 48

約数和(自身を含む): 867537216

約数和(自身を除く): 478731236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 311, 340, 622, 1244, 1555, 3110, 3677, 5287, 6220, 7354, 10574, 14708, 18385, 21148, 26435, 36770, 52870, 62509, 73540, 105740, 125018, 250036, 312545, 625090, 1143547, 1250180, 2287094, 4574188, 5717735, 11435470, 19440299, 22870940, 38880598, 77761196, 97201495, 194402990, 388805980]

約数ペア:

[(1, 388805980), (2, 194402990), (4, 97201495), (5, 77761196), (10, 38880598), (17, 22870940), (20, 19440299), (34, 11435470), (68, 5717735), (85, 4574188), (170, 2287094), (311, 1250180), (340, 1143547), (622, 625090), (1244, 312545), (1555, 250036), (3110, 125018), (3677, 105740), (5287, 73540), (6220, 62509), (7354, 52870), (10574, 36770), (14708, 26435), (18385, 21148)]