1890796270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{12799}}^1$

素因数の和:12913

約数の個数: 64

約数和(自身を含む): 3981312000

約数和(自身を除く): 2090515730

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 79, 85, 110, 158, 170, 187, 374, 395, 790, 869, 935, 1343, 1738, 1870, 2686, 4345, 6715, 8690, 12799, 13430, 14773, 25598, 29546, 63995, 73865, 127990, 140789, 147730, 217583, 281578, 435166, 703945, 1011121, 1087915, 1407890, 2022242, 2175830, 2393413, 4786826, 5055605, 10111210, 11122331, 11967065, 17189057, 22244662, 23934130, 34378114, 55611655, 85945285, 111223310, 171890570, 189079627, 378159254, 945398135, 1890796270]

約数ペア:

[(1, 1890796270), (2, 945398135), (5, 378159254), (10, 189079627), (11, 171890570), (17, 111223310), (22, 85945285), (34, 55611655), (55, 34378114), (79, 23934130), (85, 22244662), (110, 17189057), (158, 11967065), (170, 11122331), (187, 10111210), (374, 5055605), (395, 4786826), (790, 2393413), (869, 2175830), (935, 2022242), (1343, 1407890), (1738, 1087915), (1870, 1011121), (2686, 703945), (4345, 435166), (6715, 281578), (8690, 217583), (12799, 147730), (13430, 140789), (14773, 127990), (25598, 73865), (29546, 63995)]