220121532

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 568503936

約数和(自身を除く): 348382404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 263, 268, 347, 402, 526, 603, 694, 789, 804, 1041, 1052, 1206, 1388, 1578, 2082, 2367, 2412, 3123, 3156, 4164, 4734, 6246, 9468, 12492, 17621, 23249, 35242, 46498, 52863, 69747, 70484, 91261, 92996, 105726, 139494, 158589, 182522, 209241, 211452, 273783, 278988, 317178, 365044, 418482, 547566, 634356, 821349, 836964, 1095132, 1642698, 3285396, 6114487, 12228974, 18343461, 24457948, 36686922, 55030383, 73373844, 110060766, 220121532]

約数ペア:

[(1, 220121532), (2, 110060766), (3, 73373844), (4, 55030383), (6, 36686922), (9, 24457948), (12, 18343461), (18, 12228974), (36, 6114487), (67, 3285396), (134, 1642698), (201, 1095132), (263, 836964), (268, 821349), (347, 634356), (402, 547566), (526, 418482), (603, 365044), (694, 317178), (789, 278988), (804, 273783), (1041, 211452), (1052, 209241), (1206, 182522), (1388, 158589), (1578, 139494), (2082, 105726), (2367, 92996), (2412, 91261), (3123, 70484), (3156, 69747), (4164, 52863), (4734, 46498), (6246, 35242), (9468, 23249), (12492, 17621)]