421789720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 1145871360

約数和(自身を除く): 724081640

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 107, 110, 124, 136, 155, 170, 187, 214, 220, 248, 289, 310, 340, 341, 374, 428, 440, 527, 535, 578, 620, 680, 682, 748, 856, 935, 1054, 1070, 1156, 1177, 1240, 1364, 1445, 1496, 1705, 1819, 1870, 2108, 2140, 2312, 2354, 2635, 2728, 2890, 3179, 3317, 3410, 3638, 3740, 4216, 4280, 4708, 5270, 5780, 5797, 5885, 6358, 6634, 6820, 7276, 7480, 8959, 9095, 9416, 10540, 11560, 11594, 11770, 12716, 13268, 13640, 14552, 15895, 16585, 17918, 18190, 20009, 21080, 23188, 23540, 25432, 26536, 28985, 30923, 31790, 33170, 35836, 36380, 36487, 40018, 44795, 46376, 47080, 56389, 57970, 61846, 63580, 66340, 71672, 72760, 72974, 80036, 89590, 98549, 100045, 112778, 115940, 123692, 127160, 132680, 145948, 154615, 160072, 179180, 182435, 197098, 200090, 225556, 231880, 247384, 281945, 291896, 309230, 340153, 358360, 364870, 394196, 400180, 451112, 492745, 563890, 618460, 620279, 680306, 729740, 788392, 800360, 958613, 985490, 1127780, 1236920, 1240558, 1360612, 1459480, 1700765, 1917226, 1970980, 2255560, 2481116, 2721224, 3101395, 3401530, 3834452, 3941960, 4793065, 4962232, 6202790, 6803060, 7668904, 9586130, 10544743, 12405580, 13606120, 19172260, 21089486, 24811160, 38344520, 42178972, 52723715, 84357944, 105447430, 210894860, 421789720]

約数ペア:

[(1, 421789720), (2, 210894860), (4, 105447430), (5, 84357944), (8, 52723715), (10, 42178972), (11, 38344520), (17, 24811160), (20, 21089486), (22, 19172260), (31, 13606120), (34, 12405580), (40, 10544743), (44, 9586130), (55, 7668904), (62, 6803060), (68, 6202790), (85, 4962232), (88, 4793065), (107, 3941960), (110, 3834452), (124, 3401530), (136, 3101395), (155, 2721224), (170, 2481116), (187, 2255560), (214, 1970980), (220, 1917226), (248, 1700765), (289, 1459480), (310, 1360612), (340, 1240558), (341, 1236920), (374, 1127780), (428, 985490), (440, 958613), (527, 800360), (535, 788392), (578, 729740), (620, 680306), (680, 620279), (682, 618460), (748, 563890), (856, 492745), (935, 451112), (1054, 400180), (1070, 394196), (1156, 364870), (1177, 358360), (1240, 340153), (1364, 309230), (1445, 291896), (1496, 281945), (1705, 247384), (1819, 231880), (1870, 225556), (2108, 200090), (2140, 197098), (2312, 182435), (2354, 179180), (2635, 160072), (2728, 154615), (2890, 145948), (3179, 132680), (3317, 127160), (3410, 123692), (3638, 115940), (3740, 112778), (4216, 100045), (4280, 98549), (4708, 89590), (5270, 80036), (5780, 72974), (5797, 72760), (5885, 71672), (6358, 66340), (6634, 63580), (6820, 61846), (7276, 57970), (7480, 56389), (8959, 47080), (9095, 46376), (9416, 44795), (10540, 40018), (11560, 36487), (11594, 36380), (11770, 35836), (12716, 33170), (13268, 31790), (13640, 30923), (14552, 28985), (15895, 26536), (16585, 25432), (17918, 23540), (18190, 23188), (20009, 21080)]