440457680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9011}}^1$

素因数の和:9084

約数の個数: 80

約数和(自身を含む): 1126427904

約数和(自身を除く): 685970224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4888, 6110, 9011, 9776, 12220, 18022, 24440, 36044, 45055, 48880, 72088, 90110, 117143, 144176, 180220, 234286, 360440, 423517, 468572, 585715, 720880, 847034, 937144, 1171430, 1694068, 1874288, 2117585, 2342860, 3388136, 4235170, 4685720, 5505721, 6776272, 8470340, 9371440, 11011442, 16940680, 22022884, 27528605, 33881360, 44045768, 55057210, 88091536, 110114420, 220228840, 440457680]

約数ペア:

[(1, 440457680), (2, 220228840), (4, 110114420), (5, 88091536), (8, 55057210), (10, 44045768), (13, 33881360), (16, 27528605), (20, 22022884), (26, 16940680), (40, 11011442), (47, 9371440), (52, 8470340), (65, 6776272), (80, 5505721), (94, 4685720), (104, 4235170), (130, 3388136), (188, 2342860), (208, 2117585), (235, 1874288), (260, 1694068), (376, 1171430), (470, 937144), (520, 847034), (611, 720880), (752, 585715), (940, 468572), (1040, 423517), (1222, 360440), (1880, 234286), (2444, 180220), (3055, 144176), (3760, 117143), (4888, 90110), (6110, 72088), (9011, 48880), (9776, 45055), (12220, 36044), (18022, 24440)]