1912900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 4749696

約数和(自身を除く): 2836796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 47, 50, 55, 74, 94, 100, 110, 148, 185, 188, 220, 235, 275, 370, 407, 470, 517, 550, 740, 814, 925, 940, 1034, 1100, 1175, 1628, 1739, 1850, 2035, 2068, 2350, 2585, 3478, 3700, 4070, 4700, 5170, 6956, 8140, 8695, 10175, 10340, 12925, 17390, 19129, 20350, 25850, 34780, 38258, 40700, 43475, 51700, 76516, 86950, 95645, 173900, 191290, 382580, 478225, 956450, 1912900]

約数ペア:

[(1, 1912900), (2, 956450), (4, 478225), (5, 382580), (10, 191290), (11, 173900), (20, 95645), (22, 86950), (25, 76516), (37, 51700), (44, 43475), (47, 40700), (50, 38258), (55, 34780), (74, 25850), (94, 20350), (100, 19129), (110, 17390), (148, 12925), (185, 10340), (188, 10175), (220, 8695), (235, 8140), (275, 6956), (370, 5170), (407, 4700), (470, 4070), (517, 3700), (550, 3478), (740, 2585), (814, 2350), (925, 2068), (940, 2035), (1034, 1850), (1100, 1739), (1175, 1628)]