420090888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 1242501120

約数和(自身を除く): 822410232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 83, 84, 94, 141, 166, 168, 188, 249, 282, 329, 332, 376, 498, 564, 581, 641, 658, 664, 987, 996, 1128, 1162, 1282, 1316, 1743, 1923, 1974, 1992, 2324, 2564, 2632, 3486, 3846, 3901, 3948, 4487, 4648, 5128, 6972, 7692, 7802, 7896, 8974, 11703, 13461, 13944, 15384, 15604, 17948, 23406, 26922, 27307, 30127, 31208, 35896, 46812, 53203, 53844, 54614, 60254, 81921, 90381, 93624, 106406, 107688, 109228, 120508, 159609, 163842, 180762, 210889, 212812, 218456, 241016, 319218, 327684, 361524, 372421, 421778, 425624, 632667, 638436, 655368, 723048, 744842, 843556, 1117263, 1265334, 1276872, 1489684, 1687112, 2234526, 2500541, 2530668, 2979368, 4469052, 5001082, 5061336, 7501623, 8938104, 10002164, 15003246, 17503787, 20004328, 30006492, 35007574, 52511361, 60012984, 70015148, 105022722, 140030296, 210045444, 420090888]

約数ペア:

[(1, 420090888), (2, 210045444), (3, 140030296), (4, 105022722), (6, 70015148), (7, 60012984), (8, 52511361), (12, 35007574), (14, 30006492), (21, 20004328), (24, 17503787), (28, 15003246), (42, 10002164), (47, 8938104), (56, 7501623), (83, 5061336), (84, 5001082), (94, 4469052), (141, 2979368), (166, 2530668), (168, 2500541), (188, 2234526), (249, 1687112), (282, 1489684), (329, 1276872), (332, 1265334), (376, 1117263), (498, 843556), (564, 744842), (581, 723048), (641, 655368), (658, 638436), (664, 632667), (987, 425624), (996, 421778), (1128, 372421), (1162, 361524), (1282, 327684), (1316, 319218), (1743, 241016), (1923, 218456), (1974, 212812), (1992, 210889), (2324, 180762), (2564, 163842), (2632, 159609), (3486, 120508), (3846, 109228), (3901, 107688), (3948, 106406), (4487, 93624), (4648, 90381), (5128, 81921), (6972, 60254), (7692, 54614), (7802, 53844), (7896, 53203), (8974, 46812), (11703, 35896), (13461, 31208), (13944, 30127), (15384, 27307), (15604, 26922), (17948, 23406)]