68399660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3847}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 165494784

約数和(自身を除く): 97095124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3847, 4445, 7694, 8890, 15388, 17780, 19235, 26929, 38470, 53858, 76940, 107716, 134645, 269290, 488569, 538580, 977138, 1954276, 2442845, 3419983, 4885690, 6839966, 9771380, 13679932, 17099915, 34199830, 68399660]

約数ペア:

[(1, 68399660), (2, 34199830), (4, 17099915), (5, 13679932), (7, 9771380), (10, 6839966), (14, 4885690), (20, 3419983), (28, 2442845), (35, 1954276), (70, 977138), (127, 538580), (140, 488569), (254, 269290), (508, 134645), (635, 107716), (889, 76940), (1270, 53858), (1778, 38470), (2540, 26929), (3556, 19235), (3847, 17780), (4445, 15388), (7694, 8890)]