1201900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 3187296

約数和(自身を除く): 1985396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 101, 119, 140, 170, 175, 202, 238, 340, 350, 404, 425, 476, 505, 595, 700, 707, 850, 1010, 1190, 1414, 1700, 1717, 2020, 2380, 2525, 2828, 2975, 3434, 3535, 5050, 5950, 6868, 7070, 8585, 10100, 11900, 12019, 14140, 17170, 17675, 24038, 34340, 35350, 42925, 48076, 60095, 70700, 85850, 120190, 171700, 240380, 300475, 600950, 1201900]

約数ペア:

[(1, 1201900), (2, 600950), (4, 300475), (5, 240380), (7, 171700), (10, 120190), (14, 85850), (17, 70700), (20, 60095), (25, 48076), (28, 42925), (34, 35350), (35, 34340), (50, 24038), (68, 17675), (70, 17170), (85, 14140), (100, 12019), (101, 11900), (119, 10100), (140, 8585), (170, 7070), (175, 6868), (202, 5950), (238, 5050), (340, 3535), (350, 3434), (404, 2975), (425, 2828), (476, 2525), (505, 2380), (595, 2020), (700, 1717), (707, 1700), (850, 1414), (1010, 1190)]