104987820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{249971}}^1$

素因数の和:249990

約数の個数: 48

約数和(自身を含む): 335962368

約数和(自身を除く): 230974548

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, 249971, 499942, 749913, 999884, 1249855, 1499826, 1749797, 2499710, 2999652, 3499594, 3749565, 4999420, 5249391, 6999188, 7499130, 8748985, 10498782, 14998260, 17497970, 20997564, 26246955, 34995940, 52493910, 104987820]

約数ペア:

[(1, 104987820), (2, 52493910), (3, 34995940), (4, 26246955), (5, 20997564), (6, 17497970), (7, 14998260), (10, 10498782), (12, 8748985), (14, 7499130), (15, 6999188), (20, 5249391), (21, 4999420), (28, 3749565), (30, 3499594), (35, 2999652), (42, 2499710), (60, 1749797), (70, 1499826), (84, 1249855), (105, 999884), (140, 749913), (210, 499942), (420, 249971)]