64460900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 162239616

約数和(自身を除く): 97778716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1297, 1420, 1775, 1988, 2485, 2594, 3550, 4970, 5188, 6485, 7100, 9079, 9940, 12425, 12970, 18158, 24850, 25940, 32425, 36316, 45395, 49700, 64850, 90790, 92087, 129700, 181580, 184174, 226975, 368348, 453950, 460435, 644609, 907900, 920870, 1289218, 1841740, 2302175, 2578436, 3223045, 4604350, 6446090, 9208700, 12892180, 16115225, 32230450, 64460900]

約数ペア:

[(1, 64460900), (2, 32230450), (4, 16115225), (5, 12892180), (7, 9208700), (10, 6446090), (14, 4604350), (20, 3223045), (25, 2578436), (28, 2302175), (35, 1841740), (50, 1289218), (70, 920870), (71, 907900), (100, 644609), (140, 460435), (142, 453950), (175, 368348), (284, 226975), (350, 184174), (355, 181580), (497, 129700), (700, 92087), (710, 90790), (994, 64850), (1297, 49700), (1420, 45395), (1775, 36316), (1988, 32425), (2485, 25940), (2594, 24850), (3550, 18158), (4970, 12970), (5188, 12425), (6485, 9940), (7100, 9079)]