490620100

素因数分解:

$2^2\times 5^2\times {\mathrm{647}}^1\times {\mathrm{7583}}^1$

素因数の和:8244

約数の個数: 36

約数和(自身を含む): 1066431744

約数和(自身を除く): 575811644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 647, 1294, 2588, 3235, 6470, 7583, 12940, 15166, 16175, 30332, 32350, 37915, 64700, 75830, 151660, 189575, 379150, 758300, 4906201, 9812402, 19624804, 24531005, 49062010, 98124020, 122655025, 245310050, 490620100]

約数ペア:

[(1, 490620100), (2, 245310050), (4, 122655025), (5, 98124020), (10, 49062010), (20, 24531005), (25, 19624804), (50, 9812402), (100, 4906201), (647, 758300), (1294, 379150), (2588, 189575), (3235, 151660), (6470, 75830), (7583, 64700), (12940, 37915), (15166, 32350), (16175, 30332)]