2391220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 5736528

約数和(自身を除く): 3345308

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 541, 884, 1082, 1105, 2164, 2210, 2705, 4420, 5410, 7033, 9197, 10820, 14066, 18394, 28132, 35165, 36788, 45985, 70330, 91970, 119561, 140660, 183940, 239122, 478244, 597805, 1195610, 2391220]

約数ペア:

[(1, 2391220), (2, 1195610), (4, 597805), (5, 478244), (10, 239122), (13, 183940), (17, 140660), (20, 119561), (26, 91970), (34, 70330), (52, 45985), (65, 36788), (68, 35165), (85, 28132), (130, 18394), (170, 14066), (221, 10820), (260, 9197), (340, 7033), (442, 5410), (541, 4420), (884, 2705), (1082, 2210), (1105, 2164)]