72869140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 163622592

約数和(自身を除く): 90753452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2003, 2140, 3638, 4006, 7276, 8012, 9095, 10015, 18190, 20030, 34051, 36380, 40060, 68102, 136204, 170255, 214321, 340510, 428642, 681020, 857284, 1071605, 2143210, 3643457, 4286420, 7286914, 14573828, 18217285, 36434570, 72869140]

約数ペア:

[(1, 72869140), (2, 36434570), (4, 18217285), (5, 14573828), (10, 7286914), (17, 4286420), (20, 3643457), (34, 2143210), (68, 1071605), (85, 857284), (107, 681020), (170, 428642), (214, 340510), (340, 214321), (428, 170255), (535, 136204), (1070, 68102), (1819, 40060), (2003, 36380), (2140, 34051), (3638, 20030), (4006, 18190), (7276, 10015), (8012, 9095)]