123900056

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 276480000

約数和(自身を除く): 152579944

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 149, 217, 248, 298, 434, 479, 596, 868, 958, 1043, 1192, 1736, 1916, 2086, 3353, 3832, 4172, 4619, 6706, 8344, 9238, 13412, 14849, 18476, 26824, 29698, 32333, 36952, 59396, 64666, 71371, 103943, 118792, 129332, 142742, 207886, 258664, 285484, 415772, 499597, 570968, 831544, 999194, 1998388, 2212501, 3996776, 4425002, 8850004, 15487507, 17700008, 30975014, 61950028, 123900056]

約数ペア:

[(1, 123900056), (2, 61950028), (4, 30975014), (7, 17700008), (8, 15487507), (14, 8850004), (28, 4425002), (31, 3996776), (56, 2212501), (62, 1998388), (124, 999194), (149, 831544), (217, 570968), (248, 499597), (298, 415772), (434, 285484), (479, 258664), (596, 207886), (868, 142742), (958, 129332), (1043, 118792), (1192, 103943), (1736, 71371), (1916, 64666), (2086, 59396), (3353, 36952), (3832, 32333), (4172, 29698), (4619, 26824), (6706, 18476), (8344, 14849), (9238, 13412)]