195032740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2897

約数の個数: 72

約数和(自身を含む): 483319872

約数和(自身を除く): 288287132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 2803, 3479, 4970, 5606, 6958, 9940, 11212, 13916, 14015, 17395, 19621, 28030, 34790, 39242, 56060, 69580, 78484, 98105, 137347, 196210, 199013, 274694, 392420, 398026, 549388, 686735, 796052, 995065, 1373470, 1393091, 1990130, 2746940, 2786182, 3980260, 5572364, 6965455, 9751637, 13930910, 19503274, 27861820, 39006548, 48758185, 97516370, 195032740]

約数ペア:

[(1, 195032740), (2, 97516370), (4, 48758185), (5, 39006548), (7, 27861820), (10, 19503274), (14, 13930910), (20, 9751637), (28, 6965455), (35, 5572364), (49, 3980260), (70, 2786182), (71, 2746940), (98, 1990130), (140, 1393091), (142, 1373470), (196, 995065), (245, 796052), (284, 686735), (355, 549388), (490, 398026), (497, 392420), (710, 274694), (980, 199013), (994, 196210), (1420, 137347), (1988, 98105), (2485, 78484), (2803, 69580), (3479, 56060), (4970, 39242), (5606, 34790), (6958, 28030), (9940, 19621), (11212, 17395), (13916, 14015)]