51647820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122971}}^1$

素因数の和:122990

約数の個数: 48

約数和(自身を含む): 165274368

約数和(自身を除く): 113626548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 122971, 245942, 368913, 491884, 614855, 737826, 860797, 1229710, 1475652, 1721594, 1844565, 2459420, 2582391, 3443188, 3689130, 4303985, 5164782, 7378260, 8607970, 10329564, 12911955, 17215940, 25823910, 51647820]

約数ペア:

[(1, 51647820), (2, 25823910), (3, 17215940), (4, 12911955), (5, 10329564), (6, 8607970), (7, 7378260), (10, 5164782), (12, 4303985), (14, 3689130), (15, 3443188), (20, 2582391), (21, 2459420), (28, 1844565), (30, 1721594), (35, 1475652), (42, 1229710), (60, 860797), (70, 737826), (84, 614855), (105, 491884), (140, 368913), (210, 245942), (420, 122971)]