740928680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 1828915200

約数和(自身を除く): 1087986520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 97, 136, 170, 188, 194, 235, 239, 340, 376, 388, 470, 478, 485, 680, 776, 799, 940, 956, 970, 1195, 1598, 1649, 1880, 1912, 1940, 2390, 3196, 3298, 3880, 3995, 4063, 4559, 4780, 6392, 6596, 7990, 8126, 8245, 9118, 9560, 11233, 13192, 15980, 16252, 16490, 18236, 20315, 22466, 22795, 23183, 31960, 32504, 32980, 36472, 40630, 44932, 45590, 46366, 56165, 65960, 77503, 81260, 89864, 91180, 92732, 112330, 115915, 155006, 162520, 182360, 185464, 190961, 224660, 231830, 310012, 381922, 387515, 394111, 449320, 463660, 620024, 763844, 775030, 788222, 927320, 954805, 1089601, 1527688, 1550060, 1576444, 1909610, 1970555, 2179202, 3100120, 3152888, 3819220, 3941110, 4358404, 5448005, 7638440, 7882220, 8716808, 10896010, 15764440, 18523217, 21792020, 37046434, 43584040, 74092868, 92616085, 148185736, 185232170, 370464340, 740928680]

約数ペア:

[(1, 740928680), (2, 370464340), (4, 185232170), (5, 148185736), (8, 92616085), (10, 74092868), (17, 43584040), (20, 37046434), (34, 21792020), (40, 18523217), (47, 15764440), (68, 10896010), (85, 8716808), (94, 7882220), (97, 7638440), (136, 5448005), (170, 4358404), (188, 3941110), (194, 3819220), (235, 3152888), (239, 3100120), (340, 2179202), (376, 1970555), (388, 1909610), (470, 1576444), (478, 1550060), (485, 1527688), (680, 1089601), (776, 954805), (799, 927320), (940, 788222), (956, 775030), (970, 763844), (1195, 620024), (1598, 463660), (1649, 449320), (1880, 394111), (1912, 387515), (1940, 381922), (2390, 310012), (3196, 231830), (3298, 224660), (3880, 190961), (3995, 185464), (4063, 182360), (4559, 162520), (4780, 155006), (6392, 115915), (6596, 112330), (7990, 92732), (8126, 91180), (8245, 89864), (9118, 81260), (9560, 77503), (11233, 65960), (13192, 56165), (15980, 46366), (16252, 45590), (16490, 44932), (18236, 40630), (20315, 36472), (22466, 32980), (22795, 32504), (23183, 31960)]