247958720

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2341}}^1$

素因数の和:2689

約数の個数: 56

約数和(自身を含む): 592488528

約数和(自身を除く): 344529808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1324, 1655, 2341, 2648, 3310, 4682, 5296, 6620, 9364, 10592, 11705, 13240, 18728, 21184, 23410, 26480, 37456, 46820, 52960, 74912, 93640, 105920, 149824, 187280, 374560, 749120, 774871, 1549742, 3099484, 3874355, 6198968, 7748710, 12397936, 15497420, 24795872, 30994840, 49591744, 61989680, 123979360, 247958720]

約数ペア:

[(1, 247958720), (2, 123979360), (4, 61989680), (5, 49591744), (8, 30994840), (10, 24795872), (16, 15497420), (20, 12397936), (32, 7748710), (40, 6198968), (64, 3874355), (80, 3099484), (160, 1549742), (320, 774871), (331, 749120), (662, 374560), (1324, 187280), (1655, 149824), (2341, 105920), (2648, 93640), (3310, 74912), (4682, 52960), (5296, 46820), (6620, 37456), (9364, 26480), (10592, 23410), (11705, 21184), (13240, 18728)]