194990720

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2399}}^1$

素因数の和:2545

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 275025280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2399, 2540, 4064, 4798, 5080, 8128, 9596, 10160, 11995, 16256, 19192, 20320, 23990, 38384, 40640, 47980, 76768, 81280, 95960, 153536, 191920, 304673, 307072, 383840, 609346, 767680, 1218692, 1523365, 1535360, 2437384, 3046730, 4874768, 6093460, 9749536, 12186920, 19499072, 24373840, 38998144, 48747680, 97495360, 194990720]

約数ペア:

[(1, 194990720), (2, 97495360), (4, 48747680), (5, 38998144), (8, 24373840), (10, 19499072), (16, 12186920), (20, 9749536), (32, 6093460), (40, 4874768), (64, 3046730), (80, 2437384), (127, 1535360), (128, 1523365), (160, 1218692), (254, 767680), (320, 609346), (508, 383840), (635, 307072), (640, 304673), (1016, 191920), (1270, 153536), (2032, 95960), (2399, 81280), (2540, 76768), (4064, 47980), (4798, 40640), (5080, 38384), (8128, 23990), (9596, 20320), (10160, 19192), (11995, 16256)]