100428020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65213}}^1$

素因数の和:65240

約数の個数: 48

約数和(自身を含む): 262942848

約数和(自身を除く): 162514828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 65213, 130426, 260852, 326065, 456491, 652130, 717343, 912982, 1304260, 1434686, 1825964, 2282455, 2869372, 3586715, 4564910, 5021401, 7173430, 9129820, 10042802, 14346860, 20085604, 25107005, 50214010, 100428020]

約数ペア:

[(1, 100428020), (2, 50214010), (4, 25107005), (5, 20085604), (7, 14346860), (10, 10042802), (11, 9129820), (14, 7173430), (20, 5021401), (22, 4564910), (28, 3586715), (35, 2869372), (44, 2282455), (55, 1825964), (70, 1434686), (77, 1304260), (110, 912982), (140, 717343), (154, 652130), (220, 456491), (308, 326065), (385, 260852), (770, 130426), (1540, 65213)]