644029122380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4786897}}^1$

素因数の和:4786975

約数の個数: 72

約数和(自身を含む): 1597138943904

約数和(自身を除く): 953109821524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1922, 2170, 3844, 4340, 4805, 6727, 9610, 13454, 19220, 26908, 33635, 67270, 134540, 4786897, 9573794, 19147588, 23934485, 33508279, 47868970, 67016558, 95737940, 134033116, 148393807, 167541395, 296787614, 335082790, 593575228, 670165580, 741969035, 1038756649, 1483938070, 2077513298, 2967876140, 4155026596, 4600208017, 5193783245, 9200416034, 10387566490, 18400832068, 20775132980, 23001040085, 32201456119, 46002080170, 64402912238, 92004160340, 128805824476, 161007280595, 322014561190, 644029122380]

約数ペア:

[(1, 644029122380), (2, 322014561190), (4, 161007280595), (5, 128805824476), (7, 92004160340), (10, 64402912238), (14, 46002080170), (20, 32201456119), (28, 23001040085), (31, 20775132980), (35, 18400832068), (62, 10387566490), (70, 9200416034), (124, 5193783245), (140, 4600208017), (155, 4155026596), (217, 2967876140), (310, 2077513298), (434, 1483938070), (620, 1038756649), (868, 741969035), (961, 670165580), (1085, 593575228), (1922, 335082790), (2170, 296787614), (3844, 167541395), (4340, 148393807), (4805, 134033116), (6727, 95737940), (9610, 67016558), (13454, 47868970), (19220, 33508279), (26908, 23934485), (33635, 19147588), (67270, 9573794), (134540, 4786897)]