2502920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1277}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 6556140

約数和(自身を除く): 4053220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1277, 1960, 2554, 5108, 6385, 8939, 10216, 12770, 17878, 25540, 35756, 44695, 51080, 62573, 71512, 89390, 125146, 178780, 250292, 312865, 357560, 500584, 625730, 1251460, 2502920]

約数ペア:

[(1, 2502920), (2, 1251460), (4, 625730), (5, 500584), (7, 357560), (8, 312865), (10, 250292), (14, 178780), (20, 125146), (28, 89390), (35, 71512), (40, 62573), (49, 51080), (56, 44695), (70, 35756), (98, 25540), (140, 17878), (196, 12770), (245, 10216), (280, 8939), (392, 6385), (490, 5108), (980, 2554), (1277, 1960)]