147910370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{21221}}^1$

素因数の和:21286

約数の個数: 32

約数和(自身を含む): 288788976

約数和(自身を除く): 140878606

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 21221, 42442, 106105, 212210, 360757, 721514, 870061, 1740122, 1803785, 3607570, 4350305, 8700610, 14791037, 29582074, 73955185, 147910370]

約数ペア:

[(1, 147910370), (2, 73955185), (5, 29582074), (10, 14791037), (17, 8700610), (34, 4350305), (41, 3607570), (82, 1803785), (85, 1740122), (170, 870061), (205, 721514), (410, 360757), (697, 212210), (1394, 106105), (3485, 42442), (6970, 21221)]