68390300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 164156160

約数和(自身を除く): 95765860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 787, 790, 869, 1100, 1574, 1580, 1738, 1975, 3148, 3476, 3935, 3950, 4345, 7870, 7900, 8657, 8690, 15740, 17314, 17380, 19675, 21725, 34628, 39350, 43285, 43450, 62173, 78700, 86570, 86900, 124346, 173140, 216425, 248692, 310865, 432850, 621730, 683903, 865700, 1243460, 1367806, 1554325, 2735612, 3108650, 3419515, 6217300, 6839030, 13678060, 17097575, 34195150, 68390300]

約数ペア:

[(1, 68390300), (2, 34195150), (4, 17097575), (5, 13678060), (10, 6839030), (11, 6217300), (20, 3419515), (22, 3108650), (25, 2735612), (44, 1554325), (50, 1367806), (55, 1243460), (79, 865700), (100, 683903), (110, 621730), (158, 432850), (220, 310865), (275, 248692), (316, 216425), (395, 173140), (550, 124346), (787, 86900), (790, 86570), (869, 78700), (1100, 62173), (1574, 43450), (1580, 43285), (1738, 39350), (1975, 34628), (3148, 21725), (3476, 19675), (3935, 17380), (3950, 17314), (4345, 15740), (7870, 8690), (7900, 8657)]