203480320

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2331

約数の個数: 72

約数和(自身を含む): 494484480

約数和(自身を除く): 291004160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2239, 2272, 2840, 4478, 4544, 5680, 8956, 9088, 11195, 11360, 17912, 18176, 22390, 22720, 35824, 44780, 45440, 71648, 89560, 90880, 143296, 158969, 179120, 286592, 317938, 358240, 573184, 635876, 716480, 794845, 1271752, 1432960, 1589690, 2543504, 2865920, 3179380, 5087008, 6358760, 10174016, 12717520, 20348032, 25435040, 40696064, 50870080, 101740160, 203480320]

約数ペア:

[(1, 203480320), (2, 101740160), (4, 50870080), (5, 40696064), (8, 25435040), (10, 20348032), (16, 12717520), (20, 10174016), (32, 6358760), (40, 5087008), (64, 3179380), (71, 2865920), (80, 2543504), (128, 1589690), (142, 1432960), (160, 1271752), (256, 794845), (284, 716480), (320, 635876), (355, 573184), (568, 358240), (640, 317938), (710, 286592), (1136, 179120), (1280, 158969), (1420, 143296), (2239, 90880), (2272, 89560), (2840, 71648), (4478, 45440), (4544, 44780), (5680, 35824), (8956, 22720), (9088, 22390), (11195, 18176), (11360, 17912)]