68904220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 182601216

約数和(自身を除く): 113696996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 110, 140, 154, 202, 220, 308, 385, 404, 443, 505, 707, 770, 886, 1010, 1111, 1414, 1540, 1772, 2020, 2215, 2222, 2828, 3101, 3535, 4430, 4444, 4873, 5555, 6202, 7070, 7777, 8860, 9746, 11110, 12404, 14140, 15505, 15554, 19492, 22220, 24365, 31010, 31108, 34111, 38885, 44743, 48730, 62020, 68222, 77770, 89486, 97460, 136444, 155540, 170555, 178972, 223715, 313201, 341110, 447430, 492173, 626402, 682220, 894860, 984346, 1252804, 1566005, 1968692, 2460865, 3132010, 3445211, 4921730, 6264020, 6890422, 9843460, 13780844, 17226055, 34452110, 68904220]

約数ペア:

[(1, 68904220), (2, 34452110), (4, 17226055), (5, 13780844), (7, 9843460), (10, 6890422), (11, 6264020), (14, 4921730), (20, 3445211), (22, 3132010), (28, 2460865), (35, 1968692), (44, 1566005), (55, 1252804), (70, 984346), (77, 894860), (101, 682220), (110, 626402), (140, 492173), (154, 447430), (202, 341110), (220, 313201), (308, 223715), (385, 178972), (404, 170555), (443, 155540), (505, 136444), (707, 97460), (770, 89486), (886, 77770), (1010, 68222), (1111, 62020), (1414, 48730), (1540, 44743), (1772, 38885), (2020, 34111), (2215, 31108), (2222, 31010), (2828, 24365), (3101, 22220), (3535, 19492), (4430, 15554), (4444, 15505), (4873, 14140), (5555, 12404), (6202, 11110), (7070, 9746), (7777, 8860)]