278510778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 809061120

約数和(自身を除く): 530550342

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 157, 171, 182, 189, 234, 247, 266, 273, 314, 342, 351, 361, 378, 399, 471, 494, 513, 546, 702, 722, 741, 798, 819, 942, 1026, 1083, 1099, 1197, 1413, 1482, 1638, 1729, 2041, 2166, 2198, 2223, 2394, 2457, 2527, 2826, 2983, 3249, 3297, 3458, 3591, 4082, 4239, 4446, 4693, 4914, 5054, 5187, 5966, 6123, 6498, 6594, 6669, 7182, 7581, 8478, 8949, 9386, 9747, 9891, 10374, 12246, 13338, 14079, 14287, 15162, 15561, 17898, 18369, 19494, 19782, 20881, 22743, 26847, 28158, 28574, 29673, 31122, 32851, 36738, 38779, 41762, 42237, 42861, 45486, 46683, 53694, 55107, 56677, 59346, 62643, 65702, 68229, 77558, 80541, 84474, 85722, 93366, 98553, 110214, 113354, 116337, 125286, 126711, 128583, 136458, 161082, 170031, 187929, 197106, 232674, 253422, 257166, 271453, 295659, 340062, 349011, 375858, 385749, 396739, 510093, 542906, 563787, 591318, 698022, 736801, 771498, 793478, 814359, 886977, 1020186, 1047033, 1127574, 1190217, 1473602, 1530279, 1628718, 1773954, 2094066, 2210403, 2380434, 2443077, 3060558, 3570651, 4420806, 4886154, 5157607, 6631209, 7141302, 7329231, 10315214, 10711953, 13262418, 14658462, 15472821, 19893627, 21423906, 30945642, 39787254, 46418463, 92836926, 139255389, 278510778]

約数ペア:

[(1, 278510778), (2, 139255389), (3, 92836926), (6, 46418463), (7, 39787254), (9, 30945642), (13, 21423906), (14, 19893627), (18, 15472821), (19, 14658462), (21, 13262418), (26, 10711953), (27, 10315214), (38, 7329231), (39, 7141302), (42, 6631209), (54, 5157607), (57, 4886154), (63, 4420806), (78, 3570651), (91, 3060558), (114, 2443077), (117, 2380434), (126, 2210403), (133, 2094066), (157, 1773954), (171, 1628718), (182, 1530279), (189, 1473602), (234, 1190217), (247, 1127574), (266, 1047033), (273, 1020186), (314, 886977), (342, 814359), (351, 793478), (361, 771498), (378, 736801), (399, 698022), (471, 591318), (494, 563787), (513, 542906), (546, 510093), (702, 396739), (722, 385749), (741, 375858), (798, 349011), (819, 340062), (942, 295659), (1026, 271453), (1083, 257166), (1099, 253422), (1197, 232674), (1413, 197106), (1482, 187929), (1638, 170031), (1729, 161082), (2041, 136458), (2166, 128583), (2198, 126711), (2223, 125286), (2394, 116337), (2457, 113354), (2527, 110214), (2826, 98553), (2983, 93366), (3249, 85722), (3297, 84474), (3458, 80541), (3591, 77558), (4082, 68229), (4239, 65702), (4446, 62643), (4693, 59346), (4914, 56677), (5054, 55107), (5187, 53694), (5966, 46683), (6123, 45486), (6498, 42861), (6594, 42237), (6669, 41762), (7182, 38779), (7581, 36738), (8478, 32851), (8949, 31122), (9386, 29673), (9747, 28574), (9891, 28158), (10374, 26847), (12246, 22743), (13338, 20881), (14079, 19782), (14287, 19494), (15162, 18369), (15561, 17898)]