280030660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 727840512

約数和(自身を除く): 447809852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 251, 260, 364, 455, 502, 613, 910, 1004, 1226, 1255, 1757, 1820, 2452, 2510, 3065, 3263, 3514, 4291, 5020, 6130, 6526, 7028, 7969, 8582, 8785, 12260, 13052, 15938, 16315, 17164, 17570, 21455, 22841, 31876, 32630, 35140, 39845, 42910, 45682, 55783, 65260, 79690, 85820, 91364, 111566, 114205, 153863, 159380, 223132, 228410, 278915, 307726, 456820, 557830, 615452, 769315, 1077041, 1115660, 1538630, 2000219, 2154082, 3077260, 4000438, 4308164, 5385205, 8000876, 10001095, 10770410, 14001533, 20002190, 21540820, 28003066, 40004380, 56006132, 70007665, 140015330, 280030660]

約数ペア:

[(1, 280030660), (2, 140015330), (4, 70007665), (5, 56006132), (7, 40004380), (10, 28003066), (13, 21540820), (14, 20002190), (20, 14001533), (26, 10770410), (28, 10001095), (35, 8000876), (52, 5385205), (65, 4308164), (70, 4000438), (91, 3077260), (130, 2154082), (140, 2000219), (182, 1538630), (251, 1115660), (260, 1077041), (364, 769315), (455, 615452), (502, 557830), (613, 456820), (910, 307726), (1004, 278915), (1226, 228410), (1255, 223132), (1757, 159380), (1820, 153863), (2452, 114205), (2510, 111566), (3065, 91364), (3263, 85820), (3514, 79690), (4291, 65260), (5020, 55783), (6130, 45682), (6526, 42910), (7028, 39845), (7969, 35140), (8582, 32630), (8785, 31876), (12260, 22841), (13052, 21455), (15938, 17570), (16315, 17164)]