319375280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1723}}^1$

素因数の和:2074

約数の個数: 80

約数和(自身を含む): 851683584

約数和(自身を除く): 532308304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 1324, 1655, 1723, 2317, 2648, 3310, 3446, 4634, 5296, 6620, 6892, 8615, 9268, 11585, 12061, 13240, 13784, 17230, 18536, 23170, 24122, 26480, 27568, 34460, 37072, 46340, 48244, 60305, 68920, 92680, 96488, 120610, 137840, 185360, 192976, 241220, 482440, 570313, 964880, 1140626, 2281252, 2851565, 3992191, 4562504, 5703130, 7984382, 9125008, 11406260, 15968764, 19960955, 22812520, 31937528, 39921910, 45625040, 63875056, 79843820, 159687640, 319375280]

約数ペア:

[(1, 319375280), (2, 159687640), (4, 79843820), (5, 63875056), (7, 45625040), (8, 39921910), (10, 31937528), (14, 22812520), (16, 19960955), (20, 15968764), (28, 11406260), (35, 9125008), (40, 7984382), (56, 5703130), (70, 4562504), (80, 3992191), (112, 2851565), (140, 2281252), (280, 1140626), (331, 964880), (560, 570313), (662, 482440), (1324, 241220), (1655, 192976), (1723, 185360), (2317, 137840), (2648, 120610), (3310, 96488), (3446, 92680), (4634, 68920), (5296, 60305), (6620, 48244), (6892, 46340), (8615, 37072), (9268, 34460), (11585, 27568), (12061, 26480), (13240, 24122), (13784, 23170), (17230, 18536)]