204248240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{641}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 544518720

約数和(自身を除く): 340270480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 569, 641, 1138, 1282, 2276, 2564, 2845, 3205, 3983, 4487, 4552, 5128, 5690, 6410, 7966, 8974, 9104, 10256, 11380, 12820, 15932, 17948, 19915, 22435, 22760, 25640, 31864, 35896, 39830, 44870, 45520, 51280, 63728, 71792, 79660, 89740, 159320, 179480, 318640, 358960, 364729, 729458, 1458916, 1823645, 2553103, 2917832, 3647290, 5106206, 5835664, 7294580, 10212412, 12765515, 14589160, 20424824, 25531030, 29178320, 40849648, 51062060, 102124120, 204248240]

約数ペア:

[(1, 204248240), (2, 102124120), (4, 51062060), (5, 40849648), (7, 29178320), (8, 25531030), (10, 20424824), (14, 14589160), (16, 12765515), (20, 10212412), (28, 7294580), (35, 5835664), (40, 5106206), (56, 3647290), (70, 2917832), (80, 2553103), (112, 1823645), (140, 1458916), (280, 729458), (560, 364729), (569, 358960), (641, 318640), (1138, 179480), (1282, 159320), (2276, 89740), (2564, 79660), (2845, 71792), (3205, 63728), (3983, 51280), (4487, 45520), (4552, 44870), (5128, 39830), (5690, 35896), (6410, 31864), (7966, 25640), (8974, 22760), (9104, 22435), (10256, 19915), (11380, 17948), (12820, 15932)]