1229454940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{20959}}^1$

素因数の和:21394

約数の個数: 48

約数和(自身を含む): 2957875200

約数和(自身を除く): 1728420260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2095, 2933, 4190, 5866, 8380, 11732, 14665, 20959, 29330, 41918, 58660, 83836, 104795, 146713, 209590, 293426, 419180, 586852, 733565, 1467130, 2934260, 8781821, 17563642, 35127284, 43909105, 61472747, 87818210, 122945494, 175636420, 245890988, 307363735, 614727470, 1229454940]

約数ペア:

[(1, 1229454940), (2, 614727470), (4, 307363735), (5, 245890988), (7, 175636420), (10, 122945494), (14, 87818210), (20, 61472747), (28, 43909105), (35, 35127284), (70, 17563642), (140, 8781821), (419, 2934260), (838, 1467130), (1676, 733565), (2095, 586852), (2933, 419180), (4190, 293426), (5866, 209590), (8380, 146713), (11732, 104795), (14665, 83836), (20959, 58660), (29330, 41918)]