67666550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 148852080

約数和(自身を除く): 81185530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 175, 245, 350, 355, 389, 490, 497, 710, 778, 994, 1225, 1775, 1945, 2450, 2485, 2723, 3479, 3550, 3890, 4970, 5446, 6958, 9725, 12425, 13615, 17395, 19061, 19450, 24850, 27230, 27619, 34790, 38122, 55238, 68075, 86975, 95305, 136150, 138095, 173950, 190610, 193333, 276190, 386666, 476525, 690475, 953050, 966665, 1353331, 1380950, 1933330, 2706662, 4833325, 6766655, 9666650, 13533310, 33833275, 67666550]

約数ペア:

[(1, 67666550), (2, 33833275), (5, 13533310), (7, 9666650), (10, 6766655), (14, 4833325), (25, 2706662), (35, 1933330), (49, 1380950), (50, 1353331), (70, 966665), (71, 953050), (98, 690475), (142, 476525), (175, 386666), (245, 276190), (350, 193333), (355, 190610), (389, 173950), (490, 138095), (497, 136150), (710, 95305), (778, 86975), (994, 68075), (1225, 55238), (1775, 38122), (1945, 34790), (2450, 27619), (2485, 27230), (2723, 24850), (3479, 19450), (3550, 19061), (3890, 17395), (4970, 13615), (5446, 12425), (6958, 9725)]