216966540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{516587}}^1$

素因数の和:516606

約数の個数: 48

約数和(自身を含む): 694294272

約数和(自身を除く): 477327732

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, 516587, 1033174, 1549761, 2066348, 2582935, 3099522, 3616109, 5165870, 6199044, 7232218, 7748805, 10331740, 10848327, 14464436, 15497610, 18080545, 21696654, 30995220, 36161090, 43393308, 54241635, 72322180, 108483270, 216966540]

約数ペア:

[(1, 216966540), (2, 108483270), (3, 72322180), (4, 54241635), (5, 43393308), (6, 36161090), (7, 30995220), (10, 21696654), (12, 18080545), (14, 15497610), (15, 14464436), (20, 10848327), (21, 10331740), (28, 7748805), (30, 7232218), (35, 6199044), (42, 5165870), (60, 3616109), (70, 3099522), (84, 2582935), (105, 2066348), (140, 1549761), (210, 1033174), (420, 516587)]