2006505375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 3986651136

約数和(自身を除く): 1980145761

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 73, 75, 105, 111, 125, 175, 185, 219, 259, 283, 365, 375, 511, 525, 555, 777, 849, 875, 925, 1095, 1295, 1415, 1533, 1825, 1981, 2555, 2625, 2701, 2775, 3885, 4245, 4625, 5475, 5943, 6475, 7075, 7665, 8103, 9125, 9905, 10471, 12775, 13505, 13875, 18907, 19425, 20659, 21225, 27375, 29715, 31413, 32375, 35375, 38325, 40515, 49525, 52355, 56721, 61977, 63875, 67525, 73297, 94535, 97125, 103295, 106125, 144613, 148575, 157065, 191625, 202575, 219891, 247625, 261775, 283605, 309885, 337625, 366485, 433839, 472675, 516475, 723065, 742875, 764383, 785325, 1012875, 1099455, 1308875, 1418025, 1549425, 1832425, 2169195, 2293149, 2363375, 2582375, 3615325, 3821915, 3926625, 5350681, 5497275, 7090125, 7747125, 9162125, 10845975, 11465745, 16052043, 18076625, 19109575, 26753405, 27486375, 54229875, 57328725, 80260215, 95547875, 133767025, 286643625, 401301075, 668835125, 2006505375]

約数ペア:

[(1, 2006505375), (3, 668835125), (5, 401301075), (7, 286643625), (15, 133767025), (21, 95547875), (25, 80260215), (35, 57328725), (37, 54229875), (73, 27486375), (75, 26753405), (105, 19109575), (111, 18076625), (125, 16052043), (175, 11465745), (185, 10845975), (219, 9162125), (259, 7747125), (283, 7090125), (365, 5497275), (375, 5350681), (511, 3926625), (525, 3821915), (555, 3615325), (777, 2582375), (849, 2363375), (875, 2293149), (925, 2169195), (1095, 1832425), (1295, 1549425), (1415, 1418025), (1533, 1308875), (1825, 1099455), (1981, 1012875), (2555, 785325), (2625, 764383), (2701, 742875), (2775, 723065), (3885, 516475), (4245, 472675), (4625, 433839), (5475, 366485), (5943, 337625), (6475, 309885), (7075, 283605), (7665, 261775), (8103, 247625), (9125, 219891), (9905, 202575), (10471, 191625), (12775, 157065), (13505, 148575), (13875, 144613), (18907, 106125), (19425, 103295), (20659, 97125), (21225, 94535), (27375, 73297), (29715, 67525), (31413, 63875), (32375, 61977), (35375, 56721), (38325, 52355), (40515, 49525)]