152457980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 325352160

約数和(自身を除く): 172894180

約数列:

[1, 2, 4, 5, 10, 20, 139, 173, 278, 317, 346, 556, 634, 692, 695, 865, 1268, 1390, 1585, 1730, 2780, 3170, 3460, 6340, 24047, 44063, 48094, 54841, 88126, 96188, 109682, 120235, 176252, 219364, 220315, 240470, 274205, 440630, 480940, 548410, 881260, 1096820, 7622899, 15245798, 30491596, 38114495, 76228990, 152457980]

約数ペア:

[(1, 152457980), (2, 76228990), (4, 38114495), (5, 30491596), (10, 15245798), (20, 7622899), (139, 1096820), (173, 881260), (278, 548410), (317, 480940), (346, 440630), (556, 274205), (634, 240470), (692, 220315), (695, 219364), (865, 176252), (1268, 120235), (1390, 109682), (1585, 96188), (1730, 88126), (2780, 54841), (3170, 48094), (3460, 44063), (6340, 24047)]