306318778840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7621}}^1\times {\mathrm{5261}}^1$

素因数の和:13084

約数の個数: 64

約数和(自身を含む): 693048337920

約数和(自身を除く): 386729559080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5261, 7621, 7640, 10522, 15242, 21044, 26305, 30484, 38105, 42088, 52610, 60968, 76210, 105220, 152420, 210440, 304840, 1004851, 1455611, 2009702, 2911222, 4019404, 5024255, 5822444, 7278055, 8038808, 10048510, 11644888, 14556110, 20097020, 29112220, 40094081, 40194040, 58224440, 80188162, 160376324, 200470405, 320752648, 400940810, 801881620, 1603763240, 7657969471, 15315938942, 30631877884, 38289847355, 61263755768, 76579694710, 153159389420, 306318778840]

約数ペア:

[(1, 306318778840), (2, 153159389420), (4, 76579694710), (5, 61263755768), (8, 38289847355), (10, 30631877884), (20, 15315938942), (40, 7657969471), (191, 1603763240), (382, 801881620), (764, 400940810), (955, 320752648), (1528, 200470405), (1910, 160376324), (3820, 80188162), (5261, 58224440), (7621, 40194040), (7640, 40094081), (10522, 29112220), (15242, 20097020), (21044, 14556110), (26305, 11644888), (30484, 10048510), (38105, 8038808), (42088, 7278055), (52610, 5822444), (60968, 5024255), (76210, 4019404), (105220, 2911222), (152420, 2009702), (210440, 1455611), (304840, 1004851)]