420049938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 1094123520

約数和(自身を除く): 674073582

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 139, 154, 186, 211, 217, 231, 278, 341, 417, 422, 434, 462, 633, 651, 682, 834, 973, 1023, 1266, 1302, 1477, 1529, 1946, 2046, 2321, 2387, 2919, 2954, 3058, 4309, 4431, 4587, 4642, 4774, 5838, 6541, 6963, 7161, 8618, 8862, 9174, 10703, 12927, 13082, 13926, 14322, 16247, 19623, 21406, 25854, 29329, 30163, 32109, 32494, 39246, 45787, 47399, 48741, 58658, 60326, 64218, 71951, 87987, 90489, 91574, 94798, 97482, 137361, 142197, 143902, 175974, 180978, 205303, 215853, 274722, 284394, 322619, 331793, 410606, 431706, 503657, 615909, 645238, 663586, 909199, 967857, 995379, 1007314, 1231818, 1510971, 1818398, 1935714, 1990758, 2258333, 2727597, 3021942, 4516666, 5455194, 6364393, 6774999, 10001189, 12728786, 13549998, 19093179, 20002378, 30003567, 38186358, 60007134, 70008323, 140016646, 210024969, 420049938]

約数ペア:

[(1, 420049938), (2, 210024969), (3, 140016646), (6, 70008323), (7, 60007134), (11, 38186358), (14, 30003567), (21, 20002378), (22, 19093179), (31, 13549998), (33, 12728786), (42, 10001189), (62, 6774999), (66, 6364393), (77, 5455194), (93, 4516666), (139, 3021942), (154, 2727597), (186, 2258333), (211, 1990758), (217, 1935714), (231, 1818398), (278, 1510971), (341, 1231818), (417, 1007314), (422, 995379), (434, 967857), (462, 909199), (633, 663586), (651, 645238), (682, 615909), (834, 503657), (973, 431706), (1023, 410606), (1266, 331793), (1302, 322619), (1477, 284394), (1529, 274722), (1946, 215853), (2046, 205303), (2321, 180978), (2387, 175974), (2919, 143902), (2954, 142197), (3058, 137361), (4309, 97482), (4431, 94798), (4587, 91574), (4642, 90489), (4774, 87987), (5838, 71951), (6541, 64218), (6963, 60326), (7161, 58658), (8618, 48741), (8862, 47399), (9174, 45787), (10703, 39246), (12927, 32494), (13082, 32109), (13926, 30163), (14322, 29329), (16247, 25854), (19623, 21406)]