218720810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 192

約数和(自身を含む): 551577600

約数和(自身を除く): 332856790

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 31, 34, 35, 49, 55, 62, 70, 77, 85, 98, 110, 119, 121, 154, 155, 170, 187, 217, 238, 242, 245, 310, 341, 343, 374, 385, 434, 490, 527, 539, 595, 605, 682, 686, 770, 833, 847, 935, 1054, 1078, 1085, 1190, 1210, 1309, 1519, 1666, 1694, 1705, 1715, 1870, 2057, 2170, 2387, 2618, 2635, 2695, 3038, 3410, 3430, 3689, 3751, 3773, 4114, 4165, 4235, 4774, 5270, 5390, 5797, 5831, 5929, 6545, 7378, 7502, 7546, 7595, 8330, 8470, 9163, 10285, 10633, 11594, 11662, 11858, 11935, 13090, 14399, 15190, 16709, 18326, 18445, 18755, 18865, 20570, 21266, 23870, 25823, 26257, 28798, 28985, 29155, 29645, 33418, 36890, 37510, 37730, 40579, 41503, 45815, 51646, 52514, 53165, 57970, 58310, 59290, 63767, 64141, 71995, 81158, 83006, 83545, 91630, 100793, 106330, 116963, 127534, 128282, 129115, 131285, 143990, 167090, 180761, 183799, 201586, 202895, 207515, 233926, 258230, 262570, 284053, 318835, 320705, 361522, 367598, 405790, 415030, 446369, 503965, 568106, 584815, 637670, 641410, 705551, 892738, 903805, 918995, 1007930, 1169630, 1286593, 1411102, 1420265, 1807610, 1837990, 1988371, 2231845, 2573186, 2840530, 3124583, 3527755, 3976742, 4463690, 6249166, 6432965, 7055510, 9941855, 12865930, 15622915, 19883710, 21872081, 31245830, 43744162, 109360405, 218720810]

約数ペア:

[(1, 218720810), (2, 109360405), (5, 43744162), (7, 31245830), (10, 21872081), (11, 19883710), (14, 15622915), (17, 12865930), (22, 9941855), (31, 7055510), (34, 6432965), (35, 6249166), (49, 4463690), (55, 3976742), (62, 3527755), (70, 3124583), (77, 2840530), (85, 2573186), (98, 2231845), (110, 1988371), (119, 1837990), (121, 1807610), (154, 1420265), (155, 1411102), (170, 1286593), (187, 1169630), (217, 1007930), (238, 918995), (242, 903805), (245, 892738), (310, 705551), (341, 641410), (343, 637670), (374, 584815), (385, 568106), (434, 503965), (490, 446369), (527, 415030), (539, 405790), (595, 367598), (605, 361522), (682, 320705), (686, 318835), (770, 284053), (833, 262570), (847, 258230), (935, 233926), (1054, 207515), (1078, 202895), (1085, 201586), (1190, 183799), (1210, 180761), (1309, 167090), (1519, 143990), (1666, 131285), (1694, 129115), (1705, 128282), (1715, 127534), (1870, 116963), (2057, 106330), (2170, 100793), (2387, 91630), (2618, 83545), (2635, 83006), (2695, 81158), (3038, 71995), (3410, 64141), (3430, 63767), (3689, 59290), (3751, 58310), (3773, 57970), (4114, 53165), (4165, 52514), (4235, 51646), (4774, 45815), (5270, 41503), (5390, 40579), (5797, 37730), (5831, 37510), (5929, 36890), (6545, 33418), (7378, 29645), (7502, 29155), (7546, 28985), (7595, 28798), (8330, 26257), (8470, 25823), (9163, 23870), (10285, 21266), (10633, 20570), (11594, 18865), (11662, 18755), (11858, 18445), (11935, 18326), (13090, 16709), (14399, 15190)]