17704180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 40395600

約数和(自身を除く): 22691420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 457, 596, 745, 914, 1490, 1828, 1937, 2285, 2980, 3874, 4570, 5941, 7748, 9140, 9685, 11882, 19370, 23764, 29705, 38740, 59410, 68093, 118820, 136186, 272372, 340465, 680930, 885209, 1361860, 1770418, 3540836, 4426045, 8852090, 17704180]

約数ペア:

[(1, 17704180), (2, 8852090), (4, 4426045), (5, 3540836), (10, 1770418), (13, 1361860), (20, 885209), (26, 680930), (52, 340465), (65, 272372), (130, 136186), (149, 118820), (260, 68093), (298, 59410), (457, 38740), (596, 29705), (745, 23764), (914, 19370), (1490, 11882), (1828, 9685), (1937, 9140), (2285, 7748), (2980, 5941), (3874, 4570)]