209868800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{4099}}^1$

素因数の和:4131

約数の個数: 72

約数和(自身を含む): 520474500

約数和(自身を除く): 310605700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4099, 5120, 6400, 8198, 10240, 12800, 16396, 20495, 25600, 32792, 40990, 51200, 65584, 81980, 102475, 131168, 163960, 204950, 262336, 327920, 409900, 524672, 655840, 819800, 1049344, 1311680, 1639600, 2098688, 2623360, 3279200, 4197376, 5246720, 6558400, 8394752, 10493440, 13116800, 20986880, 26233600, 41973760, 52467200, 104934400, 209868800]

約数ペア:

[(1, 209868800), (2, 104934400), (4, 52467200), (5, 41973760), (8, 26233600), (10, 20986880), (16, 13116800), (20, 10493440), (25, 8394752), (32, 6558400), (40, 5246720), (50, 4197376), (64, 3279200), (80, 2623360), (100, 2098688), (128, 1639600), (160, 1311680), (200, 1049344), (256, 819800), (320, 655840), (400, 524672), (512, 409900), (640, 327920), (800, 262336), (1024, 204950), (1280, 163960), (1600, 131168), (2048, 102475), (2560, 81980), (3200, 65584), (4099, 51200), (5120, 40990), (6400, 32792), (8198, 25600), (10240, 20495), (12800, 16396)]