7920850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 17747748

約数和(自身を除く): 9826898

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 53, 61, 70, 98, 106, 122, 175, 245, 265, 305, 350, 371, 427, 490, 530, 610, 742, 854, 1225, 1325, 1525, 1855, 2135, 2450, 2597, 2650, 2989, 3050, 3233, 3710, 4270, 5194, 5978, 6466, 9275, 10675, 12985, 14945, 16165, 18550, 21350, 22631, 25970, 29890, 32330, 45262, 64925, 74725, 80825, 113155, 129850, 149450, 158417, 161650, 226310, 316834, 565775, 792085, 1131550, 1584170, 3960425, 7920850]

約数ペア:

[(1, 7920850), (2, 3960425), (5, 1584170), (7, 1131550), (10, 792085), (14, 565775), (25, 316834), (35, 226310), (49, 161650), (50, 158417), (53, 149450), (61, 129850), (70, 113155), (98, 80825), (106, 74725), (122, 64925), (175, 45262), (245, 32330), (265, 29890), (305, 25970), (350, 22631), (371, 21350), (427, 18550), (490, 16165), (530, 14945), (610, 12985), (742, 10675), (854, 9275), (1225, 6466), (1325, 5978), (1525, 5194), (1855, 4270), (2135, 3710), (2450, 3233), (2597, 3050), (2650, 2989)]