198813440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{22189}}^1$

素因数の和:22217

約数の個数: 72

約数和(自身を含む): 544276320

約数和(自身を除く): 345462880

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 22189, 44378, 88756, 110945, 155323, 177512, 221890, 310646, 355024, 443780, 621292, 710048, 776615, 887560, 1242584, 1420096, 1553230, 1775120, 2485168, 2840192, 3106460, 3550240, 4970336, 5680384, 6212920, 7100480, 9940672, 12425840, 14200960, 19881344, 24851680, 28401920, 39762688, 49703360, 99406720, 198813440]

約数ペア:

[(1, 198813440), (2, 99406720), (4, 49703360), (5, 39762688), (7, 28401920), (8, 24851680), (10, 19881344), (14, 14200960), (16, 12425840), (20, 9940672), (28, 7100480), (32, 6212920), (35, 5680384), (40, 4970336), (56, 3550240), (64, 3106460), (70, 2840192), (80, 2485168), (112, 1775120), (128, 1553230), (140, 1420096), (160, 1242584), (224, 887560), (256, 776615), (280, 710048), (320, 621292), (448, 443780), (560, 355024), (640, 310646), (896, 221890), (1120, 177512), (1280, 155323), (1792, 110945), (2240, 88756), (4480, 44378), (8960, 22189)]