203425280

素因数分解:

$2^9\times 5^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 491285520

約数和(自身を除く): 287860240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 347, 458, 512, 640, 694, 916, 1145, 1280, 1388, 1735, 1832, 2290, 2560, 2776, 3470, 3664, 4580, 5552, 6940, 7328, 9160, 11104, 13880, 14656, 18320, 22208, 27760, 29312, 36640, 44416, 55520, 58624, 73280, 79463, 88832, 111040, 117248, 146560, 158926, 177664, 222080, 293120, 317852, 397315, 444160, 586240, 635704, 794630, 888320, 1271408, 1589260, 2542816, 3178520, 5085632, 6357040, 10171264, 12714080, 20342528, 25428160, 40685056, 50856320, 101712640, 203425280]

約数ペア:

[(1, 203425280), (2, 101712640), (4, 50856320), (5, 40685056), (8, 25428160), (10, 20342528), (16, 12714080), (20, 10171264), (32, 6357040), (40, 5085632), (64, 3178520), (80, 2542816), (128, 1589260), (160, 1271408), (229, 888320), (256, 794630), (320, 635704), (347, 586240), (458, 444160), (512, 397315), (640, 317852), (694, 293120), (916, 222080), (1145, 177664), (1280, 158926), (1388, 146560), (1735, 117248), (1832, 111040), (2290, 88832), (2560, 79463), (2776, 73280), (3470, 58624), (3664, 55520), (4580, 44416), (5552, 36640), (6940, 29312), (7328, 27760), (9160, 22208), (11104, 18320), (13880, 14656)]