219907590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 638896896

約数和(自身を除く): 418989306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 49, 70, 71, 86, 98, 105, 129, 142, 147, 210, 213, 215, 245, 258, 294, 301, 343, 355, 426, 430, 490, 497, 602, 645, 686, 710, 735, 903, 994, 1029, 1065, 1290, 1470, 1491, 1505, 1715, 1806, 2058, 2107, 2130, 2401, 2485, 2982, 3010, 3053, 3430, 3479, 4214, 4515, 4802, 4970, 5145, 6106, 6321, 6958, 7203, 7455, 9030, 9159, 10290, 10437, 10535, 12005, 12642, 14406, 14749, 14910, 15265, 17395, 18318, 20874, 21070, 21371, 24010, 24353, 29498, 30530, 31605, 34790, 36015, 42742, 44247, 45795, 48706, 52185, 63210, 64113, 72030, 73059, 73745, 88494, 91590, 103243, 104370, 106855, 121765, 128226, 146118, 147490, 149597, 170471, 206486, 213710, 221235, 243530, 299194, 309729, 320565, 340942, 365295, 442470, 448791, 511413, 516215, 619458, 641130, 730590, 747985, 852355, 897582, 1022826, 1032430, 1047179, 1495970, 1548645, 1704710, 2094358, 2243955, 2557065, 3097290, 3141537, 4487910, 5114130, 5235895, 6283074, 7330253, 10471790, 14660506, 15707685, 21990759, 31415370, 36651265, 43981518, 73302530, 109953795, 219907590]

約数ペア:

[(1, 219907590), (2, 109953795), (3, 73302530), (5, 43981518), (6, 36651265), (7, 31415370), (10, 21990759), (14, 15707685), (15, 14660506), (21, 10471790), (30, 7330253), (35, 6283074), (42, 5235895), (43, 5114130), (49, 4487910), (70, 3141537), (71, 3097290), (86, 2557065), (98, 2243955), (105, 2094358), (129, 1704710), (142, 1548645), (147, 1495970), (210, 1047179), (213, 1032430), (215, 1022826), (245, 897582), (258, 852355), (294, 747985), (301, 730590), (343, 641130), (355, 619458), (426, 516215), (430, 511413), (490, 448791), (497, 442470), (602, 365295), (645, 340942), (686, 320565), (710, 309729), (735, 299194), (903, 243530), (994, 221235), (1029, 213710), (1065, 206486), (1290, 170471), (1470, 149597), (1491, 147490), (1505, 146118), (1715, 128226), (1806, 121765), (2058, 106855), (2107, 104370), (2130, 103243), (2401, 91590), (2485, 88494), (2982, 73745), (3010, 73059), (3053, 72030), (3430, 64113), (3479, 63210), (4214, 52185), (4515, 48706), (4802, 45795), (4970, 44247), (5145, 42742), (6106, 36015), (6321, 34790), (6958, 31605), (7203, 30530), (7455, 29498), (9030, 24353), (9159, 24010), (10290, 21371), (10437, 21070), (10535, 20874), (12005, 18318), (12642, 17395), (14406, 15265), (14749, 14910)]