1921044100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{9887}}^1$

素因数の和:9997

約数の個数: 72

約数和(自身を含む): 4377219840

約数和(自身を除く): 2456175740

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 67, 100, 116, 134, 145, 268, 290, 335, 580, 670, 725, 1340, 1450, 1675, 1943, 2900, 3350, 3886, 6700, 7772, 9715, 9887, 19430, 19774, 38860, 39548, 48575, 49435, 97150, 98870, 194300, 197740, 247175, 286723, 494350, 573446, 662429, 988700, 1146892, 1324858, 1433615, 2649716, 2867230, 3312145, 5734460, 6624290, 7168075, 13248580, 14336150, 16560725, 19210441, 28672300, 33121450, 38420882, 66242900, 76841764, 96052205, 192104410, 384208820, 480261025, 960522050, 1921044100]

約数ペア:

[(1, 1921044100), (2, 960522050), (4, 480261025), (5, 384208820), (10, 192104410), (20, 96052205), (25, 76841764), (29, 66242900), (50, 38420882), (58, 33121450), (67, 28672300), (100, 19210441), (116, 16560725), (134, 14336150), (145, 13248580), (268, 7168075), (290, 6624290), (335, 5734460), (580, 3312145), (670, 2867230), (725, 2649716), (1340, 1433615), (1450, 1324858), (1675, 1146892), (1943, 988700), (2900, 662429), (3350, 573446), (3886, 494350), (6700, 286723), (7772, 247175), (9715, 197740), (9887, 194300), (19430, 98870), (19774, 97150), (38860, 49435), (39548, 48575)]