2008691780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 4737398400

約数和(自身を除く): 2728706620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 139, 170, 190, 278, 323, 340, 380, 556, 646, 695, 1292, 1390, 1615, 2237, 2363, 2641, 2780, 3230, 4474, 4726, 5282, 6460, 8948, 9452, 10564, 11185, 11815, 13205, 22370, 23630, 26410, 38029, 42503, 44740, 44897, 47260, 52820, 76058, 85006, 89794, 152116, 170012, 179588, 190145, 212515, 224485, 310943, 380290, 425030, 448970, 621886, 722551, 760580, 850060, 897940, 1243772, 1445102, 1554715, 2890204, 3109430, 3612755, 5286031, 5907917, 6218860, 7225510, 10572062, 11815834, 14451020, 21144124, 23631668, 26430155, 29539585, 52860310, 59079170, 100434589, 105720620, 118158340, 200869178, 401738356, 502172945, 1004345890, 2008691780]

約数ペア:

[(1, 2008691780), (2, 1004345890), (4, 502172945), (5, 401738356), (10, 200869178), (17, 118158340), (19, 105720620), (20, 100434589), (34, 59079170), (38, 52860310), (68, 29539585), (76, 26430155), (85, 23631668), (95, 21144124), (139, 14451020), (170, 11815834), (190, 10572062), (278, 7225510), (323, 6218860), (340, 5907917), (380, 5286031), (556, 3612755), (646, 3109430), (695, 2890204), (1292, 1554715), (1390, 1445102), (1615, 1243772), (2237, 897940), (2363, 850060), (2641, 760580), (2780, 722551), (3230, 621886), (4474, 448970), (4726, 425030), (5282, 380290), (6460, 310943), (8948, 224485), (9452, 212515), (10564, 190145), (11185, 179588), (11815, 170012), (13205, 152116), (22370, 89794), (23630, 85006), (26410, 76058), (38029, 52820), (42503, 47260), (44740, 44897)]