2019893080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 4922830080

約数和(自身を除く): 2902937000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 113, 136, 170, 194, 226, 271, 340, 388, 452, 485, 542, 565, 680, 776, 904, 970, 1084, 1130, 1355, 1649, 1921, 1940, 2168, 2260, 2710, 3298, 3842, 3880, 4520, 4607, 5420, 6596, 7684, 8245, 9214, 9605, 10840, 10961, 13192, 15368, 16490, 18428, 19210, 21922, 23035, 26287, 30623, 32980, 36856, 38420, 43844, 46070, 52574, 54805, 61246, 65960, 76840, 87688, 92140, 105148, 109610, 122492, 131435, 153115, 184280, 186337, 210296, 219220, 244984, 262870, 306230, 372674, 438440, 446879, 520591, 525740, 612460, 745348, 893758, 931685, 1041182, 1051480, 1224920, 1490696, 1787516, 1863370, 2082364, 2234395, 2602955, 2970431, 3575032, 3726740, 4164728, 4468790, 5205910, 5940862, 7453480, 8937580, 10411820, 11881724, 14852155, 17875160, 20823640, 23763448, 29704310, 50497327, 59408620, 100994654, 118817240, 201989308, 252486635, 403978616, 504973270, 1009946540, 2019893080]

約数ペア:

[(1, 2019893080), (2, 1009946540), (4, 504973270), (5, 403978616), (8, 252486635), (10, 201989308), (17, 118817240), (20, 100994654), (34, 59408620), (40, 50497327), (68, 29704310), (85, 23763448), (97, 20823640), (113, 17875160), (136, 14852155), (170, 11881724), (194, 10411820), (226, 8937580), (271, 7453480), (340, 5940862), (388, 5205910), (452, 4468790), (485, 4164728), (542, 3726740), (565, 3575032), (680, 2970431), (776, 2602955), (904, 2234395), (970, 2082364), (1084, 1863370), (1130, 1787516), (1355, 1490696), (1649, 1224920), (1921, 1051480), (1940, 1041182), (2168, 931685), (2260, 893758), (2710, 745348), (3298, 612460), (3842, 525740), (3880, 520591), (4520, 446879), (4607, 438440), (5420, 372674), (6596, 306230), (7684, 262870), (8245, 244984), (9214, 219220), (9605, 210296), (10840, 186337), (10961, 184280), (13192, 153115), (15368, 131435), (16490, 122492), (18428, 109610), (19210, 105148), (21922, 92140), (23035, 87688), (26287, 76840), (30623, 65960), (32980, 61246), (36856, 54805), (38420, 52574), (43844, 46070)]