129972500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1099

約数の個数: 90

約数和(自身を含む): 330939378

約数和(自身を除く): 200966878

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1061, 1225, 1250, 1750, 2122, 2450, 2500, 3500, 4244, 4375, 4900, 5305, 6125, 7427, 8750, 10610, 12250, 14854, 17500, 21220, 24500, 26525, 29708, 30625, 37135, 51989, 53050, 61250, 74270, 103978, 106100, 122500, 132625, 148540, 185675, 207956, 259945, 265250, 371350, 519890, 530500, 663125, 742700, 928375, 1039780, 1299725, 1326250, 1856750, 2599450, 2652500, 3713500, 4641875, 5198900, 6498625, 9283750, 12997250, 18567500, 25994500, 32493125, 64986250, 129972500]

約数ペア:

[(1, 129972500), (2, 64986250), (4, 32493125), (5, 25994500), (7, 18567500), (10, 12997250), (14, 9283750), (20, 6498625), (25, 5198900), (28, 4641875), (35, 3713500), (49, 2652500), (50, 2599450), (70, 1856750), (98, 1326250), (100, 1299725), (125, 1039780), (140, 928375), (175, 742700), (196, 663125), (245, 530500), (250, 519890), (350, 371350), (490, 265250), (500, 259945), (625, 207956), (700, 185675), (875, 148540), (980, 132625), (1061, 122500), (1225, 106100), (1250, 103978), (1750, 74270), (2122, 61250), (2450, 53050), (2500, 51989), (3500, 37135), (4244, 30625), (4375, 29708), (4900, 26525), (5305, 24500), (6125, 21220), (7427, 17500), (8750, 14854), (10610, 12250)]