129912860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7669}}^1$

素因数の和:7707

約数の個数: 72

約数和(自身を含む): 342756960

約数和(自身を除く): 212844100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 7669, 8470, 15338, 16940, 30676, 38345, 53683, 76690, 84359, 107366, 153380, 168718, 214732, 268415, 337436, 421795, 536830, 590513, 843590, 927949, 1073660, 1181026, 1687180, 1855898, 2362052, 2952565, 3711796, 4639745, 5905130, 6495643, 9279490, 11810260, 12991286, 18558980, 25982572, 32478215, 64956430, 129912860]

約数ペア:

[(1, 129912860), (2, 64956430), (4, 32478215), (5, 25982572), (7, 18558980), (10, 12991286), (11, 11810260), (14, 9279490), (20, 6495643), (22, 5905130), (28, 4639745), (35, 3711796), (44, 2952565), (55, 2362052), (70, 1855898), (77, 1687180), (110, 1181026), (121, 1073660), (140, 927949), (154, 843590), (220, 590513), (242, 536830), (308, 421795), (385, 337436), (484, 268415), (605, 214732), (770, 168718), (847, 153380), (1210, 107366), (1540, 84359), (1694, 76690), (2420, 53683), (3388, 38345), (4235, 30676), (7669, 16940), (8470, 15338)]