28998950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 56889216

約数和(自身を除く): 27890266

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 265, 310, 353, 530, 706, 775, 1325, 1550, 1643, 1765, 2650, 3286, 3530, 8215, 8825, 10943, 16430, 17650, 18709, 21886, 37418, 41075, 54715, 82150, 93545, 109430, 187090, 273575, 467725, 547150, 579979, 935450, 1159958, 2899895, 5799790, 14499475, 28998950]

約数ペア:

[(1, 28998950), (2, 14499475), (5, 5799790), (10, 2899895), (25, 1159958), (31, 935450), (50, 579979), (53, 547150), (62, 467725), (106, 273575), (155, 187090), (265, 109430), (310, 93545), (353, 82150), (530, 54715), (706, 41075), (775, 37418), (1325, 21886), (1550, 18709), (1643, 17650), (1765, 16430), (2650, 10943), (3286, 8825), (3530, 8215)]