291000640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:984

約数の個数: 112

約数和(自身を含む): 797795712

約数和(自身を除く): 506795072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 163, 224, 280, 320, 326, 448, 560, 652, 797, 815, 1120, 1141, 1304, 1594, 1630, 2240, 2282, 2608, 3188, 3260, 3985, 4564, 5216, 5579, 5705, 6376, 6520, 7970, 9128, 10432, 11158, 11410, 12752, 13040, 15940, 18256, 22316, 22820, 25504, 26080, 27895, 31880, 36512, 44632, 45640, 51008, 52160, 55790, 63760, 73024, 89264, 91280, 111580, 127520, 129911, 178528, 182560, 223160, 255040, 259822, 357056, 365120, 446320, 519644, 649555, 892640, 909377, 1039288, 1299110, 1785280, 1818754, 2078576, 2598220, 3637508, 4157152, 4546885, 5196440, 7275016, 8314304, 9093770, 10392880, 14550032, 18187540, 20785760, 29100064, 36375080, 41571520, 58200128, 72750160, 145500320, 291000640]

約数ペア:

[(1, 291000640), (2, 145500320), (4, 72750160), (5, 58200128), (7, 41571520), (8, 36375080), (10, 29100064), (14, 20785760), (16, 18187540), (20, 14550032), (28, 10392880), (32, 9093770), (35, 8314304), (40, 7275016), (56, 5196440), (64, 4546885), (70, 4157152), (80, 3637508), (112, 2598220), (140, 2078576), (160, 1818754), (163, 1785280), (224, 1299110), (280, 1039288), (320, 909377), (326, 892640), (448, 649555), (560, 519644), (652, 446320), (797, 365120), (815, 357056), (1120, 259822), (1141, 255040), (1304, 223160), (1594, 182560), (1630, 178528), (2240, 129911), (2282, 127520), (2608, 111580), (3188, 91280), (3260, 89264), (3985, 73024), (4564, 63760), (5216, 55790), (5579, 52160), (5705, 51008), (6376, 45640), (6520, 44632), (7970, 36512), (9128, 31880), (10432, 27895), (11158, 26080), (11410, 25504), (12752, 22820), (13040, 22316), (15940, 18256)]