1907939440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{3851}}^1$

素因数の和:4438

約数の個数: 80

約数和(自身を含む): 4849082496

約数和(自身を除く): 2941143056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 563, 880, 1126, 2252, 2815, 3851, 4504, 5630, 6193, 7702, 9008, 11260, 12386, 15404, 19255, 22520, 24772, 30808, 30965, 38510, 42361, 45040, 49544, 61616, 61930, 77020, 84722, 99088, 123860, 154040, 169444, 211805, 247720, 308080, 338888, 423610, 495440, 677776, 847220, 1694440, 2168113, 3388880, 4336226, 8672452, 10840565, 17344904, 21681130, 23849243, 34689808, 43362260, 47698486, 86724520, 95396972, 119246215, 173449040, 190793944, 238492430, 381587888, 476984860, 953969720, 1907939440]

約数ペア:

[(1, 1907939440), (2, 953969720), (4, 476984860), (5, 381587888), (8, 238492430), (10, 190793944), (11, 173449040), (16, 119246215), (20, 95396972), (22, 86724520), (40, 47698486), (44, 43362260), (55, 34689808), (80, 23849243), (88, 21681130), (110, 17344904), (176, 10840565), (220, 8672452), (440, 4336226), (563, 3388880), (880, 2168113), (1126, 1694440), (2252, 847220), (2815, 677776), (3851, 495440), (4504, 423610), (5630, 338888), (6193, 308080), (7702, 247720), (9008, 211805), (11260, 169444), (12386, 154040), (15404, 123860), (19255, 99088), (22520, 84722), (24772, 77020), (30808, 61930), (30965, 61616), (38510, 49544), (42361, 45040)]