130808540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20294

約数の個数: 48

約数和(自身を含む): 306180000

約数和(自身を除く): 175371460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 20249, 40498, 80996, 101245, 202490, 344233, 384731, 404980, 688466, 769462, 1376932, 1538924, 1721165, 1923655, 3442330, 3847310, 6540427, 6884660, 7694620, 13080854, 26161708, 32702135, 65404270, 130808540]

約数ペア:

[(1, 130808540), (2, 65404270), (4, 32702135), (5, 26161708), (10, 13080854), (17, 7694620), (19, 6884660), (20, 6540427), (34, 3847310), (38, 3442330), (68, 1923655), (76, 1721165), (85, 1538924), (95, 1376932), (170, 769462), (190, 688466), (323, 404980), (340, 384731), (380, 344233), (646, 202490), (1292, 101245), (1615, 80996), (3230, 40498), (6460, 20249)]