200777640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 490422360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 479, 499, 840, 958, 998, 1437, 1497, 1916, 1996, 2395, 2495, 2874, 2994, 3353, 3493, 3832, 3992, 4790, 4990, 5748, 5988, 6706, 6986, 7185, 7485, 9580, 9980, 10059, 10479, 11496, 11976, 13412, 13972, 14370, 14970, 16765, 17465, 19160, 19960, 20118, 20958, 26824, 27944, 28740, 29940, 33530, 34930, 40236, 41916, 50295, 52395, 57480, 59880, 67060, 69860, 80472, 83832, 100590, 104790, 134120, 139720, 201180, 209580, 239021, 402360, 419160, 478042, 717063, 956084, 1195105, 1434126, 1673147, 1912168, 2390210, 2868252, 3346294, 3585315, 4780420, 5019441, 5736504, 6692588, 7170630, 8365735, 9560840, 10038882, 13385176, 14341260, 16731470, 20077764, 25097205, 28682520, 33462940, 40155528, 50194410, 66925880, 100388820, 200777640]

約数ペア:

[(1, 200777640), (2, 100388820), (3, 66925880), (4, 50194410), (5, 40155528), (6, 33462940), (7, 28682520), (8, 25097205), (10, 20077764), (12, 16731470), (14, 14341260), (15, 13385176), (20, 10038882), (21, 9560840), (24, 8365735), (28, 7170630), (30, 6692588), (35, 5736504), (40, 5019441), (42, 4780420), (56, 3585315), (60, 3346294), (70, 2868252), (84, 2390210), (105, 1912168), (120, 1673147), (140, 1434126), (168, 1195105), (210, 956084), (280, 717063), (420, 478042), (479, 419160), (499, 402360), (840, 239021), (958, 209580), (998, 201180), (1437, 139720), (1497, 134120), (1916, 104790), (1996, 100590), (2395, 83832), (2495, 80472), (2874, 69860), (2994, 67060), (3353, 59880), (3493, 57480), (3832, 52395), (3992, 50295), (4790, 41916), (4990, 40236), (5748, 34930), (5988, 33530), (6706, 29940), (6986, 28740), (7185, 27944), (7485, 26824), (9580, 20958), (9980, 20118), (10059, 19960), (10479, 19160), (11496, 17465), (11976, 16765), (13412, 14970), (13972, 14370)]