199370240

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 80

約数和(自身を含む): 488486592

約数和(自身を除く): 289116352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1280, 1504, 1657, 1880, 2560, 3008, 3314, 3760, 6016, 6628, 7520, 8285, 12032, 13256, 15040, 16570, 24064, 26512, 30080, 33140, 53024, 60160, 66280, 77879, 106048, 120320, 132560, 155758, 212096, 265120, 311516, 389395, 424192, 530240, 623032, 778790, 848384, 1060480, 1246064, 1557580, 2120960, 2492128, 3115160, 4241920, 4984256, 6230320, 9968512, 12460640, 19937024, 24921280, 39874048, 49842560, 99685120, 199370240]

約数ペア:

[(1, 199370240), (2, 99685120), (4, 49842560), (5, 39874048), (8, 24921280), (10, 19937024), (16, 12460640), (20, 9968512), (32, 6230320), (40, 4984256), (47, 4241920), (64, 3115160), (80, 2492128), (94, 2120960), (128, 1557580), (160, 1246064), (188, 1060480), (235, 848384), (256, 778790), (320, 623032), (376, 530240), (470, 424192), (512, 389395), (640, 311516), (752, 265120), (940, 212096), (1280, 155758), (1504, 132560), (1657, 120320), (1880, 106048), (2560, 77879), (3008, 66280), (3314, 60160), (3760, 53024), (6016, 33140), (6628, 30080), (7520, 26512), (8285, 24064), (12032, 16570), (13256, 15040)]