201439970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{28901}}^1$

素因数の和:28966

約数の個数: 32

約数和(自身を含む): 393298416

約数和(自身を除く): 191858446

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 28901, 57802, 144505, 289010, 491317, 982634, 1184941, 2369882, 2456585, 4913170, 5924705, 11849410, 20143997, 40287994, 100719985, 201439970]

約数ペア:

[(1, 201439970), (2, 100719985), (5, 40287994), (10, 20143997), (17, 11849410), (34, 5924705), (41, 4913170), (82, 2456585), (85, 2369882), (170, 1184941), (205, 982634), (410, 491317), (697, 289010), (1394, 144505), (3485, 57802), (6970, 28901)]