1319908900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 3218700240

約数和(自身を除く): 1898791340

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 41, 50, 58, 68, 82, 85, 100, 116, 145, 164, 170, 205, 290, 340, 410, 425, 493, 580, 653, 697, 725, 820, 850, 986, 1025, 1189, 1306, 1394, 1450, 1700, 1972, 2050, 2378, 2465, 2612, 2788, 2900, 3265, 3485, 4100, 4756, 4930, 5945, 6530, 6970, 9860, 11101, 11890, 12325, 13060, 13940, 16325, 17425, 18937, 20213, 22202, 23780, 24650, 26773, 29725, 32650, 34850, 37874, 40426, 44404, 49300, 53546, 55505, 59450, 65300, 69700, 75748, 80852, 94685, 101065, 107092, 111010, 118900, 133865, 189370, 202130, 222020, 267730, 277525, 321929, 378740, 404260, 455141, 473425, 505325, 535460, 555050, 643858, 669325, 776417, 910282, 946850, 1010650, 1110100, 1287716, 1338650, 1552834, 1609645, 1820564, 1893700, 2021300, 2275705, 2677300, 3105668, 3219290, 3882085, 4551410, 6438580, 7764170, 8048225, 9102820, 11378525, 13199089, 15528340, 16096450, 19410425, 22757050, 26398178, 32192900, 38820850, 45514100, 52796356, 65995445, 77641700, 131990890, 263981780, 329977225, 659954450, 1319908900]

約数ペア:

[(1, 1319908900), (2, 659954450), (4, 329977225), (5, 263981780), (10, 131990890), (17, 77641700), (20, 65995445), (25, 52796356), (29, 45514100), (34, 38820850), (41, 32192900), (50, 26398178), (58, 22757050), (68, 19410425), (82, 16096450), (85, 15528340), (100, 13199089), (116, 11378525), (145, 9102820), (164, 8048225), (170, 7764170), (205, 6438580), (290, 4551410), (340, 3882085), (410, 3219290), (425, 3105668), (493, 2677300), (580, 2275705), (653, 2021300), (697, 1893700), (725, 1820564), (820, 1609645), (850, 1552834), (986, 1338650), (1025, 1287716), (1189, 1110100), (1306, 1010650), (1394, 946850), (1450, 910282), (1700, 776417), (1972, 669325), (2050, 643858), (2378, 555050), (2465, 535460), (2612, 505325), (2788, 473425), (2900, 455141), (3265, 404260), (3485, 378740), (4100, 321929), (4756, 277525), (4930, 267730), (5945, 222020), (6530, 202130), (6970, 189370), (9860, 133865), (11101, 118900), (11890, 111010), (12325, 107092), (13060, 101065), (13940, 94685), (16325, 80852), (17425, 75748), (18937, 69700), (20213, 65300), (22202, 59450), (23780, 55505), (24650, 53546), (26773, 49300), (29725, 44404), (32650, 40426), (34850, 37874)]