129878140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25073}}^1$

素因数の和:25126

約数の個数: 48

約数和(自身を含む): 320144832

約数和(自身を除く): 190266692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 25073, 50146, 100292, 125365, 175511, 250730, 351022, 501460, 702044, 877555, 927701, 1755110, 1855402, 3510220, 3710804, 4638505, 6493907, 9277010, 12987814, 18554020, 25975628, 32469535, 64939070, 129878140]

約数ペア:

[(1, 129878140), (2, 64939070), (4, 32469535), (5, 25975628), (7, 18554020), (10, 12987814), (14, 9277010), (20, 6493907), (28, 4638505), (35, 3710804), (37, 3510220), (70, 1855402), (74, 1755110), (140, 927701), (148, 877555), (185, 702044), (259, 501460), (370, 351022), (518, 250730), (740, 175511), (1036, 125365), (1295, 100292), (2590, 50146), (5180, 25073)]