90879460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1153}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 218687616

約数和(自身を除く): 127808156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 1153, 2252, 2306, 2815, 3941, 4612, 5630, 5765, 7882, 8071, 11260, 11530, 15764, 16142, 19705, 23060, 32284, 39410, 40355, 78820, 80710, 161420, 649139, 1298278, 2596556, 3245695, 4543973, 6491390, 9087946, 12982780, 18175892, 22719865, 45439730, 90879460]

約数ペア:

[(1, 90879460), (2, 45439730), (4, 22719865), (5, 18175892), (7, 12982780), (10, 9087946), (14, 6491390), (20, 4543973), (28, 3245695), (35, 2596556), (70, 1298278), (140, 649139), (563, 161420), (1126, 80710), (1153, 78820), (2252, 40355), (2306, 39410), (2815, 32284), (3941, 23060), (4612, 19705), (5630, 16142), (5765, 15764), (7882, 11530), (8071, 11260)]