90356140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{10939}}^1$

素因数の和:11014

約数の個数: 48

約数和(自身を含む): 220550400

約数和(自身を除く): 130194260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 10939, 21878, 43756, 54695, 76573, 109390, 153146, 218780, 306292, 382865, 645401, 765730, 1290802, 1531460, 2581604, 3227005, 4517807, 6454010, 9035614, 12908020, 18071228, 22589035, 45178070, 90356140]

約数ペア:

[(1, 90356140), (2, 45178070), (4, 22589035), (5, 18071228), (7, 12908020), (10, 9035614), (14, 6454010), (20, 4517807), (28, 3227005), (35, 2581604), (59, 1531460), (70, 1290802), (118, 765730), (140, 645401), (236, 382865), (295, 306292), (413, 218780), (590, 153146), (826, 109390), (1180, 76573), (1652, 54695), (2065, 43756), (4130, 21878), (8260, 10939)]