138987100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{198553}}^1$

素因数の和:198574

約数の個数: 36

約数和(自身を含む): 344689744

約数和(自身を除く): 205702644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 198553, 397106, 794212, 992765, 1389871, 1985530, 2779742, 3971060, 4963825, 5559484, 6949355, 9927650, 13898710, 19855300, 27797420, 34746775, 69493550, 138987100]

約数ペア:

[(1, 138987100), (2, 69493550), (4, 34746775), (5, 27797420), (7, 19855300), (10, 13898710), (14, 9927650), (20, 6949355), (25, 5559484), (28, 4963825), (35, 3971060), (50, 2779742), (70, 1985530), (100, 1389871), (140, 992765), (175, 794212), (350, 397106), (700, 198553)]