28226940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9601}}^1$

素因数の和:9627

約数の個数: 72

約数和(自身を含む): 91948752

約数和(自身を除く): 63721812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9601, 19202, 28803, 38404, 48005, 57606, 67207, 96010, 115212, 134414, 144015, 192020, 201621, 268828, 288030, 336035, 403242, 470449, 576060, 672070, 806484, 940898, 1008105, 1344140, 1411347, 1881796, 2016210, 2352245, 2822694, 4032420, 4704490, 5645388, 7056735, 9408980, 14113470, 28226940]

約数ペア:

[(1, 28226940), (2, 14113470), (3, 9408980), (4, 7056735), (5, 5645388), (6, 4704490), (7, 4032420), (10, 2822694), (12, 2352245), (14, 2016210), (15, 1881796), (20, 1411347), (21, 1344140), (28, 1008105), (30, 940898), (35, 806484), (42, 672070), (49, 576060), (60, 470449), (70, 403242), (84, 336035), (98, 288030), (105, 268828), (140, 201621), (147, 192020), (196, 144015), (210, 134414), (245, 115212), (294, 96010), (420, 67207), (490, 57606), (588, 48005), (735, 38404), (980, 28803), (1470, 19202), (2940, 9601)]