388376630

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1\times {\mathrm{809}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 712320480

約数和(自身を除く): 323943850

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 787, 809, 1574, 1618, 3935, 4045, 7870, 8090, 48007, 49349, 96014, 98698, 240035, 246745, 480070, 493490, 636683, 1273366, 3183415, 6366830, 38837663, 77675326, 194188315, 388376630]

約数ペア:

[(1, 388376630), (2, 194188315), (5, 77675326), (10, 38837663), (61, 6366830), (122, 3183415), (305, 1273366), (610, 636683), (787, 493490), (809, 480070), (1574, 246745), (1618, 240035), (3935, 98698), (4045, 96014), (7870, 49349), (8090, 48007)]