71828170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 138504168

約数和(自身を除く): 66675998

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 197, 202, 361, 394, 505, 722, 985, 1010, 1805, 1919, 1970, 3610, 3743, 3838, 7486, 9595, 18715, 19190, 19897, 36461, 37430, 39794, 71117, 72922, 99485, 142234, 182305, 198970, 355585, 364610, 378043, 711170, 756086, 1890215, 3780430, 7182817, 14365634, 35914085, 71828170]

約数ペア:

[(1, 71828170), (2, 35914085), (5, 14365634), (10, 7182817), (19, 3780430), (38, 1890215), (95, 756086), (101, 711170), (190, 378043), (197, 364610), (202, 355585), (361, 198970), (394, 182305), (505, 142234), (722, 99485), (985, 72922), (1010, 71117), (1805, 39794), (1919, 37430), (1970, 36461), (3610, 19897), (3743, 19190), (3838, 18715), (7486, 9595)]