28553140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18541}}^1$

素因数の和:18568

約数の個数: 48

約数和(自身を含む): 74761344

約数和(自身を除く): 46208204

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, 18541, 37082, 74164, 92705, 129787, 185410, 203951, 259574, 370820, 407902, 519148, 648935, 815804, 1019755, 1297870, 1427657, 2039510, 2595740, 2855314, 4079020, 5710628, 7138285, 14276570, 28553140]

約数ペア:

[(1, 28553140), (2, 14276570), (4, 7138285), (5, 5710628), (7, 4079020), (10, 2855314), (11, 2595740), (14, 2039510), (20, 1427657), (22, 1297870), (28, 1019755), (35, 815804), (44, 648935), (55, 519148), (70, 407902), (77, 370820), (110, 259574), (140, 203951), (154, 185410), (220, 129787), (308, 92705), (385, 74164), (770, 37082), (1540, 18541)]