78677830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1327}}^1$

素因数の和:1370

約数の個数: 72

約数和(自身を含む): 181216224

約数和(自身を除く): 102538394

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 490, 539, 605, 770, 847, 1078, 1210, 1327, 1694, 2654, 2695, 4235, 5390, 5929, 6635, 8470, 9289, 11858, 13270, 14597, 18578, 29194, 29645, 46445, 59290, 65023, 72985, 92890, 102179, 130046, 145970, 160567, 204358, 321134, 325115, 510895, 650230, 715253, 802835, 1021790, 1123969, 1430506, 1605670, 2247938, 3576265, 5619845, 7152530, 7867783, 11239690, 15735566, 39338915, 78677830]

約数ペア:

[(1, 78677830), (2, 39338915), (5, 15735566), (7, 11239690), (10, 7867783), (11, 7152530), (14, 5619845), (22, 3576265), (35, 2247938), (49, 1605670), (55, 1430506), (70, 1123969), (77, 1021790), (98, 802835), (110, 715253), (121, 650230), (154, 510895), (242, 325115), (245, 321134), (385, 204358), (490, 160567), (539, 145970), (605, 130046), (770, 102179), (847, 92890), (1078, 72985), (1210, 65023), (1327, 59290), (1694, 46445), (2654, 29645), (2695, 29194), (4235, 18578), (5390, 14597), (5929, 13270), (6635, 11858), (8470, 9289)]