420819080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23327}}^1$

素因数の和:23390

約数の個数: 64

約数和(自身を含む): 1058158080

約数和(自身を除く): 637339000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 23327, 46654, 93308, 116635, 186616, 233270, 256597, 466540, 513194, 933080, 956407, 1026388, 1282985, 1912814, 2052776, 2565970, 3825628, 4782035, 5131940, 7651256, 9564070, 10263880, 10520477, 19128140, 21040954, 38256280, 42081908, 52602385, 84163816, 105204770, 210409540, 420819080]

約数ペア:

[(1, 420819080), (2, 210409540), (4, 105204770), (5, 84163816), (8, 52602385), (10, 42081908), (11, 38256280), (20, 21040954), (22, 19128140), (40, 10520477), (41, 10263880), (44, 9564070), (55, 7651256), (82, 5131940), (88, 4782035), (110, 3825628), (164, 2565970), (205, 2052776), (220, 1912814), (328, 1282985), (410, 1026388), (440, 956407), (451, 933080), (820, 513194), (902, 466540), (1640, 256597), (1804, 233270), (2255, 186616), (3608, 116635), (4510, 93308), (9020, 46654), (18040, 23327)]