142207720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1283}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 341133120

約数和(自身を除く): 198925400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1283, 1304, 1630, 2566, 2771, 3260, 5132, 5542, 6415, 6520, 10264, 11084, 12830, 13855, 21811, 22168, 25660, 27710, 43622, 51320, 55420, 87244, 109055, 110840, 174488, 209129, 218110, 418258, 436220, 836516, 872440, 1045645, 1673032, 2091290, 3555193, 4182580, 7110386, 8365160, 14220772, 17775965, 28441544, 35551930, 71103860, 142207720]

約数ペア:

[(1, 142207720), (2, 71103860), (4, 35551930), (5, 28441544), (8, 17775965), (10, 14220772), (17, 8365160), (20, 7110386), (34, 4182580), (40, 3555193), (68, 2091290), (85, 1673032), (136, 1045645), (163, 872440), (170, 836516), (326, 436220), (340, 418258), (652, 218110), (680, 209129), (815, 174488), (1283, 110840), (1304, 109055), (1630, 87244), (2566, 55420), (2771, 51320), (3260, 43622), (5132, 27710), (5542, 25660), (6415, 22168), (6520, 21811), (10264, 13855), (11084, 12830)]