1980304060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179051}}^1$

素因数の和:179146

約数の個数: 48

約数和(自身を含む): 4812917760

約数和(自身を除く): 2832613700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 179051, 358102, 716204, 895255, 1253357, 1790510, 2506714, 3581020, 5013428, 6266785, 12533570, 14145029, 25067140, 28290058, 56580116, 70725145, 99015203, 141450290, 198030406, 282900580, 396060812, 495076015, 990152030, 1980304060]

約数ペア:

[(1, 1980304060), (2, 990152030), (4, 495076015), (5, 396060812), (7, 282900580), (10, 198030406), (14, 141450290), (20, 99015203), (28, 70725145), (35, 56580116), (70, 28290058), (79, 25067140), (140, 14145029), (158, 12533570), (316, 6266785), (395, 5013428), (553, 3581020), (790, 2506714), (1106, 1790510), (1580, 1253357), (2212, 895255), (2765, 716204), (5530, 358102), (11060, 179051)]