78776390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 99138490

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 263, 385, 389, 526, 770, 778, 1315, 1841, 1945, 2630, 2723, 2893, 3682, 3890, 4279, 5446, 5786, 8558, 9205, 13615, 14465, 18410, 20251, 21395, 27230, 28930, 29953, 40502, 42790, 59906, 101255, 102307, 149765, 202510, 204614, 299530, 511535, 716149, 1023070, 1125377, 1432298, 2250754, 3580745, 5626885, 7161490, 7877639, 11253770, 15755278, 39388195, 78776390]

約数ペア:

[(1, 78776390), (2, 39388195), (5, 15755278), (7, 11253770), (10, 7877639), (11, 7161490), (14, 5626885), (22, 3580745), (35, 2250754), (55, 1432298), (70, 1125377), (77, 1023070), (110, 716149), (154, 511535), (263, 299530), (385, 204614), (389, 202510), (526, 149765), (770, 102307), (778, 101255), (1315, 59906), (1841, 42790), (1945, 40502), (2630, 29953), (2723, 28930), (2893, 27230), (3682, 21395), (3890, 20251), (4279, 18410), (5446, 14465), (5786, 13615), (8558, 9205)]