2191630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2370290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 239, 262, 478, 655, 917, 1195, 1310, 1673, 1834, 2390, 3346, 4585, 8365, 9170, 16730, 31309, 62618, 156545, 219163, 313090, 438326, 1095815, 2191630]

約数ペア:

[(1, 2191630), (2, 1095815), (5, 438326), (7, 313090), (10, 219163), (14, 156545), (35, 62618), (70, 31309), (131, 16730), (239, 9170), (262, 8365), (478, 4585), (655, 3346), (917, 2390), (1195, 1834), (1310, 1673)]