870823390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{86477}}^1$

素因数の和:86556

約数の個数: 32

約数和(自身を含む): 1681132320

約数和(自身を除く): 810308930

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 5035, 10070, 86477, 172954, 432385, 864770, 1643063, 3286126, 4583281, 8215315, 9166562, 16430630, 22916405, 45832810, 87082339, 174164678, 435411695, 870823390]

約数ペア:

[(1, 870823390), (2, 435411695), (5, 174164678), (10, 87082339), (19, 45832810), (38, 22916405), (53, 16430630), (95, 9166562), (106, 8215315), (190, 4583281), (265, 3286126), (530, 1643063), (1007, 864770), (2014, 432385), (5035, 172954), (10070, 86477)]