212947980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5227}}^1$

素因数の和:5343

約数の個数: 96

約数和(自身を含む): 688590336

約数和(自身を除く): 475642356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 5227, 5820, 6790, 8148, 10185, 10454, 13580, 15681, 20370, 20908, 26135, 31362, 36589, 40740, 52270, 62724, 73178, 78405, 104540, 109767, 146356, 156810, 182945, 219534, 313620, 365890, 439068, 507019, 548835, 731780, 1014038, 1097670, 1521057, 2028076, 2195340, 2535095, 3042114, 3549133, 5070190, 6084228, 7098266, 7605285, 10140380, 10647399, 14196532, 15210570, 17745665, 21294798, 30421140, 35491330, 42589596, 53236995, 70982660, 106473990, 212947980]

約数ペア:

[(1, 212947980), (2, 106473990), (3, 70982660), (4, 53236995), (5, 42589596), (6, 35491330), (7, 30421140), (10, 21294798), (12, 17745665), (14, 15210570), (15, 14196532), (20, 10647399), (21, 10140380), (28, 7605285), (30, 7098266), (35, 6084228), (42, 5070190), (60, 3549133), (70, 3042114), (84, 2535095), (97, 2195340), (105, 2028076), (140, 1521057), (194, 1097670), (210, 1014038), (291, 731780), (388, 548835), (420, 507019), (485, 439068), (582, 365890), (679, 313620), (970, 219534), (1164, 182945), (1358, 156810), (1455, 146356), (1940, 109767), (2037, 104540), (2716, 78405), (2910, 73178), (3395, 62724), (4074, 52270), (5227, 40740), (5820, 36589), (6790, 31362), (8148, 26135), (10185, 20908), (10454, 20370), (13580, 15681)]