217173640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 519222960

約数和(自身を除く): 302049320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 521, 613, 680, 1042, 1226, 2084, 2452, 2605, 3065, 4168, 4904, 5210, 6130, 8857, 10420, 10421, 12260, 17714, 20840, 20842, 24520, 35428, 41684, 44285, 52105, 70856, 83368, 88570, 104210, 177140, 208420, 319373, 354280, 416840, 638746, 1277492, 1596865, 2554984, 3193730, 5429341, 6387460, 10858682, 12774920, 21717364, 27146705, 43434728, 54293410, 108586820, 217173640]

約数ペア:

[(1, 217173640), (2, 108586820), (4, 54293410), (5, 43434728), (8, 27146705), (10, 21717364), (17, 12774920), (20, 10858682), (34, 6387460), (40, 5429341), (68, 3193730), (85, 2554984), (136, 1596865), (170, 1277492), (340, 638746), (521, 416840), (613, 354280), (680, 319373), (1042, 208420), (1226, 177140), (2084, 104210), (2452, 88570), (2605, 83368), (3065, 70856), (4168, 52105), (4904, 44285), (5210, 41684), (6130, 35428), (8857, 24520), (10420, 20842), (10421, 20840), (12260, 17714)]