8254288180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1553}}^1$

素因数の和:1849

約数の個数: 96

約数和(自身を含む): 18609212160

約数和(自身を除く): 10354923980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 197, 284, 355, 380, 394, 710, 788, 985, 1349, 1420, 1553, 1970, 2698, 3106, 3743, 3940, 5396, 6212, 6745, 7486, 7765, 13490, 13987, 14972, 15530, 18715, 26980, 27974, 29507, 31060, 37430, 55948, 59014, 69935, 74860, 110263, 118028, 139870, 147535, 220526, 265753, 279740, 295070, 305941, 441052, 531506, 551315, 590140, 611882, 1063012, 1102630, 1223764, 1328765, 1529705, 2094997, 2205260, 2657530, 3059410, 4189994, 5315060, 5812879, 6118820, 8379988, 10474985, 11625758, 20949970, 21721811, 23251516, 29064395, 41899940, 43443622, 58128790, 86887244, 108609055, 116257580, 217218110, 412714409, 434436220, 825428818, 1650857636, 2063572045, 4127144090, 8254288180]

約数ペア:

[(1, 8254288180), (2, 4127144090), (4, 2063572045), (5, 1650857636), (10, 825428818), (19, 434436220), (20, 412714409), (38, 217218110), (71, 116257580), (76, 108609055), (95, 86887244), (142, 58128790), (190, 43443622), (197, 41899940), (284, 29064395), (355, 23251516), (380, 21721811), (394, 20949970), (710, 11625758), (788, 10474985), (985, 8379988), (1349, 6118820), (1420, 5812879), (1553, 5315060), (1970, 4189994), (2698, 3059410), (3106, 2657530), (3743, 2205260), (3940, 2094997), (5396, 1529705), (6212, 1328765), (6745, 1223764), (7486, 1102630), (7765, 1063012), (13490, 611882), (13987, 590140), (14972, 551315), (15530, 531506), (18715, 441052), (26980, 305941), (27974, 295070), (29507, 279740), (31060, 265753), (37430, 220526), (55948, 147535), (59014, 139870), (69935, 118028), (74860, 110263)]