2012290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 4665600

約数和(自身を除く): 2653310

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 89, 95, 119, 133, 170, 178, 190, 238, 266, 323, 445, 595, 623, 646, 665, 890, 1190, 1246, 1330, 1513, 1615, 1691, 2261, 3026, 3115, 3230, 3382, 4522, 6230, 7565, 8455, 10591, 11305, 11837, 15130, 16910, 21182, 22610, 23674, 28747, 52955, 57494, 59185, 105910, 118370, 143735, 201229, 287470, 402458, 1006145, 2012290]

約数ペア:

[(1, 2012290), (2, 1006145), (5, 402458), (7, 287470), (10, 201229), (14, 143735), (17, 118370), (19, 105910), (34, 59185), (35, 57494), (38, 52955), (70, 28747), (85, 23674), (89, 22610), (95, 21182), (119, 16910), (133, 15130), (170, 11837), (178, 11305), (190, 10591), (238, 8455), (266, 7565), (323, 6230), (445, 4522), (595, 3382), (623, 3230), (646, 3115), (665, 3026), (890, 2261), (1190, 1691), (1246, 1615), (1330, 1513)]