349581200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 899841960

約数和(自身を除く): 550260760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 101, 136, 170, 200, 202, 272, 340, 400, 404, 425, 505, 509, 680, 808, 850, 1010, 1018, 1360, 1616, 1700, 1717, 2020, 2036, 2525, 2545, 3400, 3434, 4040, 4072, 5050, 5090, 6800, 6868, 8080, 8144, 8585, 8653, 10100, 10180, 12725, 13736, 17170, 17306, 20200, 20360, 25450, 27472, 34340, 34612, 40400, 40720, 42925, 43265, 50900, 51409, 68680, 69224, 85850, 86530, 101800, 102818, 137360, 138448, 171700, 173060, 203600, 205636, 216325, 257045, 343400, 346120, 411272, 432650, 514090, 686800, 692240, 822544, 865300, 873953, 1028180, 1285225, 1730600, 1747906, 2056360, 2570450, 3461200, 3495812, 4112720, 4369765, 5140900, 6991624, 8739530, 10281800, 13983248, 17479060, 20563600, 21848825, 34958120, 43697650, 69916240, 87395300, 174790600, 349581200]

約数ペア:

[(1, 349581200), (2, 174790600), (4, 87395300), (5, 69916240), (8, 43697650), (10, 34958120), (16, 21848825), (17, 20563600), (20, 17479060), (25, 13983248), (34, 10281800), (40, 8739530), (50, 6991624), (68, 5140900), (80, 4369765), (85, 4112720), (100, 3495812), (101, 3461200), (136, 2570450), (170, 2056360), (200, 1747906), (202, 1730600), (272, 1285225), (340, 1028180), (400, 873953), (404, 865300), (425, 822544), (505, 692240), (509, 686800), (680, 514090), (808, 432650), (850, 411272), (1010, 346120), (1018, 343400), (1360, 257045), (1616, 216325), (1700, 205636), (1717, 203600), (2020, 173060), (2036, 171700), (2525, 138448), (2545, 137360), (3400, 102818), (3434, 101800), (4040, 86530), (4072, 85850), (5050, 69224), (5090, 68680), (6800, 51409), (6868, 50900), (8080, 43265), (8144, 42925), (8585, 40720), (8653, 40400), (10100, 34612), (10180, 34340), (12725, 27472), (13736, 25450), (17170, 20360), (17306, 20200)]