311276290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2407

約数の個数: 64

約数和(自身を含む): 649645920

約数和(自身を除く): 338369630

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 61, 65, 85, 122, 130, 170, 221, 305, 442, 610, 793, 1037, 1105, 1586, 2074, 2210, 2309, 3965, 4618, 5185, 7930, 10370, 11545, 13481, 23090, 26962, 30017, 39253, 60034, 67405, 78506, 134810, 140849, 150085, 196265, 281698, 300170, 392530, 510289, 704245, 1020578, 1408490, 1831037, 2394433, 2551445, 3662074, 4788866, 5102890, 9155185, 11972165, 18310370, 23944330, 31127629, 62255258, 155638145, 311276290]

約数ペア:

[(1, 311276290), (2, 155638145), (5, 62255258), (10, 31127629), (13, 23944330), (17, 18310370), (26, 11972165), (34, 9155185), (61, 5102890), (65, 4788866), (85, 3662074), (122, 2551445), (130, 2394433), (170, 1831037), (221, 1408490), (305, 1020578), (442, 704245), (610, 510289), (793, 392530), (1037, 300170), (1105, 281698), (1586, 196265), (2074, 150085), (2210, 140849), (2309, 134810), (3965, 78506), (4618, 67405), (5185, 60034), (7930, 39253), (10370, 30017), (11545, 26962), (13481, 23090)]