210505770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 580608000

約数和(自身を除く): 370102230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 79, 90, 135, 139, 142, 158, 213, 237, 270, 278, 355, 395, 417, 426, 474, 639, 695, 710, 711, 790, 834, 1065, 1185, 1251, 1278, 1390, 1422, 1917, 2085, 2130, 2133, 2370, 2502, 3195, 3555, 3753, 3834, 4170, 4266, 5609, 6255, 6390, 7110, 7506, 9585, 9869, 10665, 10981, 11218, 12510, 16827, 18765, 19170, 19738, 21330, 21962, 28045, 29607, 32943, 33654, 37530, 49345, 50481, 54905, 56090, 59214, 65886, 84135, 88821, 98690, 98829, 100962, 109810, 148035, 151443, 164715, 168270, 177642, 197658, 252405, 266463, 296070, 296487, 302886, 329430, 444105, 494145, 504810, 532926, 592974, 757215, 779651, 888210, 988290, 1332315, 1482435, 1514430, 1559302, 2338953, 2664630, 2964870, 3898255, 4677906, 7016859, 7796510, 11694765, 14033718, 21050577, 23389530, 35084295, 42101154, 70168590, 105252885, 210505770]

約数ペア:

[(1, 210505770), (2, 105252885), (3, 70168590), (5, 42101154), (6, 35084295), (9, 23389530), (10, 21050577), (15, 14033718), (18, 11694765), (27, 7796510), (30, 7016859), (45, 4677906), (54, 3898255), (71, 2964870), (79, 2664630), (90, 2338953), (135, 1559302), (139, 1514430), (142, 1482435), (158, 1332315), (213, 988290), (237, 888210), (270, 779651), (278, 757215), (355, 592974), (395, 532926), (417, 504810), (426, 494145), (474, 444105), (639, 329430), (695, 302886), (710, 296487), (711, 296070), (790, 266463), (834, 252405), (1065, 197658), (1185, 177642), (1251, 168270), (1278, 164715), (1390, 151443), (1422, 148035), (1917, 109810), (2085, 100962), (2130, 98829), (2133, 98690), (2370, 88821), (2502, 84135), (3195, 65886), (3555, 59214), (3753, 56090), (3834, 54905), (4170, 50481), (4266, 49345), (5609, 37530), (6255, 33654), (6390, 32943), (7110, 29607), (7506, 28045), (9585, 21962), (9869, 21330), (10665, 19738), (10981, 19170), (11218, 18765), (12510, 16827)]