16335620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 40602240

約数和(自身を除く): 24266620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 211, 245, 316, 395, 422, 490, 553, 790, 844, 980, 1055, 1106, 1477, 1580, 2110, 2212, 2765, 2954, 3871, 4220, 5530, 5908, 7385, 7742, 10339, 11060, 14770, 15484, 16669, 19355, 20678, 29540, 33338, 38710, 41356, 51695, 66676, 77420, 83345, 103390, 116683, 166690, 206780, 233366, 333380, 466732, 583415, 816781, 1166830, 1633562, 2333660, 3267124, 4083905, 8167810, 16335620]

約数ペア:

[(1, 16335620), (2, 8167810), (4, 4083905), (5, 3267124), (7, 2333660), (10, 1633562), (14, 1166830), (20, 816781), (28, 583415), (35, 466732), (49, 333380), (70, 233366), (79, 206780), (98, 166690), (140, 116683), (158, 103390), (196, 83345), (211, 77420), (245, 66676), (316, 51695), (395, 41356), (422, 38710), (490, 33338), (553, 29540), (790, 20678), (844, 19355), (980, 16669), (1055, 15484), (1106, 14770), (1477, 11060), (1580, 10339), (2110, 7742), (2212, 7385), (2765, 5908), (2954, 5530), (3871, 4220)]