199109780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13619}}^1$

素因数の和:13688

約数の個数: 48

約数和(自身を含む): 453055680

約数和(自身を除く): 253945900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 13619, 14620, 27238, 54476, 68095, 136190, 231523, 272380, 463046, 585617, 926092, 1157615, 1171234, 2315230, 2342468, 2928085, 4630460, 5856170, 9955489, 11712340, 19910978, 39821956, 49777445, 99554890, 199109780]

約数ペア:

[(1, 199109780), (2, 99554890), (4, 49777445), (5, 39821956), (10, 19910978), (17, 11712340), (20, 9955489), (34, 5856170), (43, 4630460), (68, 2928085), (85, 2342468), (86, 2315230), (170, 1171234), (172, 1157615), (215, 926092), (340, 585617), (430, 463046), (731, 272380), (860, 231523), (1462, 136190), (2924, 68095), (3655, 54476), (7310, 27238), (13619, 14620)]