1720902010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3833}}^1$

素因数の和:4015

約数の個数: 64

約数和(自身を含む): 3478204800

約数和(自身を除く): 1757302790

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 139, 170, 190, 278, 323, 646, 695, 1390, 1615, 2363, 2641, 3230, 3833, 4726, 5282, 7666, 11815, 13205, 19165, 23630, 26410, 38330, 44897, 65161, 72827, 89794, 130322, 145654, 224485, 325805, 364135, 448970, 532787, 651610, 728270, 1065574, 1238059, 2476118, 2663935, 5327870, 6190295, 9057379, 10122953, 12380590, 18114758, 20245906, 45286895, 50614765, 90573790, 101229530, 172090201, 344180402, 860451005, 1720902010]

約数ペア:

[(1, 1720902010), (2, 860451005), (5, 344180402), (10, 172090201), (17, 101229530), (19, 90573790), (34, 50614765), (38, 45286895), (85, 20245906), (95, 18114758), (139, 12380590), (170, 10122953), (190, 9057379), (278, 6190295), (323, 5327870), (646, 2663935), (695, 2476118), (1390, 1238059), (1615, 1065574), (2363, 728270), (2641, 651610), (3230, 532787), (3833, 448970), (4726, 364135), (5282, 325805), (7666, 224485), (11815, 145654), (13205, 130322), (19165, 89794), (23630, 72827), (26410, 65161), (38330, 44897)]