3994802420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1847}}^1\times {\mathrm{2207}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 9768439296

約数和(自身を除く): 5773636876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1847, 2207, 3694, 4414, 7388, 8828, 9235, 11035, 12929, 15449, 18470, 22070, 25858, 30898, 36940, 44140, 51716, 61796, 64645, 77245, 90503, 108143, 129290, 154490, 181006, 216286, 258580, 308980, 362012, 432572, 452515, 540715, 905030, 1081430, 1810060, 2162860, 4076329, 8152658, 16305316, 20381645, 28534303, 40763290, 57068606, 81526580, 114137212, 142671515, 199740121, 285343030, 399480242, 570686060, 798960484, 998700605, 1997401210, 3994802420]

約数ペア:

[(1, 3994802420), (2, 1997401210), (4, 998700605), (5, 798960484), (7, 570686060), (10, 399480242), (14, 285343030), (20, 199740121), (28, 142671515), (35, 114137212), (49, 81526580), (70, 57068606), (98, 40763290), (140, 28534303), (196, 20381645), (245, 16305316), (490, 8152658), (980, 4076329), (1847, 2162860), (2207, 1810060), (3694, 1081430), (4414, 905030), (7388, 540715), (8828, 452515), (9235, 432572), (11035, 362012), (12929, 308980), (15449, 258580), (18470, 216286), (22070, 181006), (25858, 154490), (30898, 129290), (36940, 108143), (44140, 90503), (51716, 77245), (61796, 64645)]