87402770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13721}}^1$

素因数の和:13755

約数の個数: 48

約数和(自身を含む): 197102808

約数和(自身を除く): 109700038

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 13721, 27442, 68605, 96047, 137210, 178373, 192094, 356746, 480235, 672329, 891865, 960470, 1248611, 1344658, 1783730, 2497222, 3361645, 6243055, 6723290, 8740277, 12486110, 17480554, 43701385, 87402770]

約数ペア:

[(1, 87402770), (2, 43701385), (5, 17480554), (7, 12486110), (10, 8740277), (13, 6723290), (14, 6243055), (26, 3361645), (35, 2497222), (49, 1783730), (65, 1344658), (70, 1248611), (91, 960470), (98, 891865), (130, 672329), (182, 480235), (245, 356746), (455, 192094), (490, 178373), (637, 137210), (910, 96047), (1274, 68605), (3185, 27442), (6370, 13721)]