404328320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:836

約数の個数: 128

約数和(自身を含む): 1069286400

約数和(自身を除く): 664958080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 128, 158, 160, 176, 220, 316, 320, 352, 395, 440, 632, 640, 704, 727, 790, 869, 880, 1264, 1408, 1454, 1580, 1738, 1760, 2528, 2908, 3160, 3476, 3520, 3635, 4345, 5056, 5816, 6320, 6952, 7040, 7270, 7997, 8690, 10112, 11632, 12640, 13904, 14540, 15994, 17380, 23264, 25280, 27808, 29080, 31988, 34760, 39985, 46528, 50560, 55616, 57433, 58160, 63976, 69520, 79970, 93056, 111232, 114866, 116320, 127952, 139040, 159940, 229732, 232640, 255904, 278080, 287165, 319880, 459464, 465280, 511808, 556160, 574330, 631763, 639760, 918928, 1023616, 1148660, 1263526, 1279520, 1837856, 2297320, 2527052, 2559040, 3158815, 3675712, 4594640, 5054104, 5118080, 6317630, 7351424, 9189280, 10108208, 12635260, 18378560, 20216416, 25270520, 36757120, 40432832, 50541040, 80865664, 101082080, 202164160, 404328320]

約数ペア:

[(1, 404328320), (2, 202164160), (4, 101082080), (5, 80865664), (8, 50541040), (10, 40432832), (11, 36757120), (16, 25270520), (20, 20216416), (22, 18378560), (32, 12635260), (40, 10108208), (44, 9189280), (55, 7351424), (64, 6317630), (79, 5118080), (80, 5054104), (88, 4594640), (110, 3675712), (128, 3158815), (158, 2559040), (160, 2527052), (176, 2297320), (220, 1837856), (316, 1279520), (320, 1263526), (352, 1148660), (395, 1023616), (440, 918928), (632, 639760), (640, 631763), (704, 574330), (727, 556160), (790, 511808), (869, 465280), (880, 459464), (1264, 319880), (1408, 287165), (1454, 278080), (1580, 255904), (1738, 232640), (1760, 229732), (2528, 159940), (2908, 139040), (3160, 127952), (3476, 116320), (3520, 114866), (3635, 111232), (4345, 93056), (5056, 79970), (5816, 69520), (6320, 63976), (6952, 58160), (7040, 57433), (7270, 55616), (7997, 50560), (8690, 46528), (10112, 39985), (11632, 34760), (12640, 31988), (13904, 29080), (14540, 27808), (15994, 25280), (17380, 23264)]