217710880

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2383}}^1$

素因数の和:2969

約数の個数: 48

約数和(自身を含む): 515458944

約数和(自身を除く): 297748064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 1142, 2284, 2383, 2855, 4568, 4766, 5710, 9136, 9532, 11420, 11915, 18272, 19064, 22840, 23830, 38128, 45680, 47660, 76256, 91360, 95320, 190640, 381280, 1360693, 2721386, 5442772, 6803465, 10885544, 13606930, 21771088, 27213860, 43542176, 54427720, 108855440, 217710880]

約数ペア:

[(1, 217710880), (2, 108855440), (4, 54427720), (5, 43542176), (8, 27213860), (10, 21771088), (16, 13606930), (20, 10885544), (32, 6803465), (40, 5442772), (80, 2721386), (160, 1360693), (571, 381280), (1142, 190640), (2284, 95320), (2383, 91360), (2855, 76256), (4568, 47660), (4766, 45680), (5710, 38128), (9136, 23830), (9532, 22840), (11420, 19064), (11915, 18272)]