419789600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16927}}^1$

素因数の和:16978

約数の個数: 72

約数和(自身を含む): 1057932288

約数和(自身を除く): 638142688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 12400, 16927, 24800, 33854, 67708, 84635, 135416, 169270, 270832, 338540, 423175, 524737, 541664, 677080, 846350, 1049474, 1354160, 1692700, 2098948, 2623685, 2708320, 3385400, 4197896, 5247370, 6770800, 8395792, 10494740, 13118425, 13541600, 16791584, 20989480, 26236850, 41978960, 52473700, 83957920, 104947400, 209894800, 419789600]

約数ペア:

[(1, 419789600), (2, 209894800), (4, 104947400), (5, 83957920), (8, 52473700), (10, 41978960), (16, 26236850), (20, 20989480), (25, 16791584), (31, 13541600), (32, 13118425), (40, 10494740), (50, 8395792), (62, 6770800), (80, 5247370), (100, 4197896), (124, 3385400), (155, 2708320), (160, 2623685), (200, 2098948), (248, 1692700), (310, 1354160), (400, 1049474), (496, 846350), (620, 677080), (775, 541664), (800, 524737), (992, 423175), (1240, 338540), (1550, 270832), (2480, 169270), (3100, 135416), (4960, 84635), (6200, 67708), (12400, 33854), (16927, 24800)]