77996940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185707}}^1$

素因数の和:185726

約数の個数: 48

約数和(自身を含む): 249591552

約数和(自身を除く): 171594612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185707, 371414, 557121, 742828, 928535, 1114242, 1299949, 1857070, 2228484, 2599898, 2785605, 3714140, 3899847, 5199796, 5571210, 6499745, 7799694, 11142420, 12999490, 15599388, 19499235, 25998980, 38998470, 77996940]

約数ペア:

[(1, 77996940), (2, 38998470), (3, 25998980), (4, 19499235), (5, 15599388), (6, 12999490), (7, 11142420), (10, 7799694), (12, 6499745), (14, 5571210), (15, 5199796), (20, 3899847), (21, 3714140), (28, 2785605), (30, 2599898), (35, 2228484), (42, 1857070), (60, 1299949), (70, 1114242), (84, 928535), (105, 742828), (140, 557121), (210, 371414), (420, 185707)]