780520210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{30241}}^1$

素因数の和:30366

約数の個数: 32

約数和(自身を含む): 1469761200

約数和(自身を除く): 689240990

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 12905, 25810, 30241, 60482, 151205, 302410, 876989, 1753978, 2691449, 4384945, 5382898, 8769890, 13457245, 26914490, 78052021, 156104042, 390260105, 780520210]

約数ペア:

[(1, 780520210), (2, 390260105), (5, 156104042), (10, 78052021), (29, 26914490), (58, 13457245), (89, 8769890), (145, 5382898), (178, 4384945), (290, 2691449), (445, 1753978), (890, 876989), (2581, 302410), (5162, 151205), (12905, 60482), (25810, 30241)]