289502080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{64621}}^1$

素因数の和:64647

約数の個数: 64

約数和(自身を含む): 790973280

約数和(自身を除く): 501471200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 64621, 129242, 258484, 323105, 452347, 516968, 646210, 904694, 1033936, 1292420, 1809388, 2067872, 2261735, 2584840, 3618776, 4135744, 4523470, 5169680, 7237552, 8271488, 9046940, 10339360, 14475104, 18093880, 20678720, 28950208, 36187760, 41357440, 57900416, 72375520, 144751040, 289502080]

約数ペア:

[(1, 289502080), (2, 144751040), (4, 72375520), (5, 57900416), (7, 41357440), (8, 36187760), (10, 28950208), (14, 20678720), (16, 18093880), (20, 14475104), (28, 10339360), (32, 9046940), (35, 8271488), (40, 7237552), (56, 5169680), (64, 4523470), (70, 4135744), (80, 3618776), (112, 2584840), (128, 2261735), (140, 2067872), (160, 1809388), (224, 1292420), (280, 1033936), (320, 904694), (448, 646210), (560, 516968), (640, 452347), (896, 323105), (1120, 258484), (2240, 129242), (4480, 64621)]