2078201510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{19417}}^1$

素因数の和:19581

約数の個数: 64

約数和(自身を含む): 4697602560

約数和(自身を除く): 2619401050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 278, 385, 695, 770, 973, 1390, 1529, 1946, 3058, 4865, 7645, 9730, 10703, 15290, 19417, 21406, 38834, 53515, 97085, 107030, 135919, 194170, 213587, 271838, 427174, 679595, 1067935, 1359190, 1495109, 2135870, 2698963, 2990218, 5397926, 7475545, 13494815, 14951090, 18892741, 26989630, 29688593, 37785482, 59377186, 94463705, 148442965, 188927410, 207820151, 296885930, 415640302, 1039100755, 2078201510]

約数ペア:

[(1, 2078201510), (2, 1039100755), (5, 415640302), (7, 296885930), (10, 207820151), (11, 188927410), (14, 148442965), (22, 94463705), (35, 59377186), (55, 37785482), (70, 29688593), (77, 26989630), (110, 18892741), (139, 14951090), (154, 13494815), (278, 7475545), (385, 5397926), (695, 2990218), (770, 2698963), (973, 2135870), (1390, 1495109), (1529, 1359190), (1946, 1067935), (3058, 679595), (4865, 427174), (7645, 271838), (9730, 213587), (10703, 194170), (15290, 135919), (19417, 107030), (21406, 97085), (38834, 53515)]