2727140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 6540912

約数和(自身を除く): 3813772

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 617, 884, 1105, 1234, 2210, 2468, 3085, 4420, 6170, 8021, 10489, 12340, 16042, 20978, 32084, 40105, 41956, 52445, 80210, 104890, 136357, 160420, 209780, 272714, 545428, 681785, 1363570, 2727140]

約数ペア:

[(1, 2727140), (2, 1363570), (4, 681785), (5, 545428), (10, 272714), (13, 209780), (17, 160420), (20, 136357), (26, 104890), (34, 80210), (52, 52445), (65, 41956), (68, 40105), (85, 32084), (130, 20978), (170, 16042), (221, 12340), (260, 10489), (340, 8021), (442, 6170), (617, 4420), (884, 3085), (1105, 2468), (1234, 2210)]