99400880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 241056000

約数和(自身を除く): 141655120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 269, 298, 310, 496, 538, 596, 620, 745, 1076, 1192, 1240, 1345, 1490, 2152, 2384, 2480, 2690, 2980, 4304, 4619, 5380, 5960, 8339, 9238, 10760, 11920, 16678, 18476, 21520, 23095, 33356, 36952, 40081, 41695, 46190, 66712, 73904, 80162, 83390, 92380, 133424, 160324, 166780, 184760, 200405, 320648, 333560, 369520, 400810, 641296, 667120, 801620, 1242511, 1603240, 2485022, 3206480, 4970044, 6212555, 9940088, 12425110, 19880176, 24850220, 49700440, 99400880]

約数ペア:

[(1, 99400880), (2, 49700440), (4, 24850220), (5, 19880176), (8, 12425110), (10, 9940088), (16, 6212555), (20, 4970044), (31, 3206480), (40, 2485022), (62, 1603240), (80, 1242511), (124, 801620), (149, 667120), (155, 641296), (248, 400810), (269, 369520), (298, 333560), (310, 320648), (496, 200405), (538, 184760), (596, 166780), (620, 160324), (745, 133424), (1076, 92380), (1192, 83390), (1240, 80162), (1345, 73904), (1490, 66712), (2152, 46190), (2384, 41695), (2480, 40081), (2690, 36952), (2980, 33356), (4304, 23095), (4619, 21520), (5380, 18476), (5960, 16678), (8339, 11920), (9238, 10760)]