2017994790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 5636671488

約数和(自身を除く): 3618676698

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 157, 194, 210, 291, 314, 471, 485, 582, 631, 679, 785, 942, 970, 1099, 1262, 1358, 1455, 1570, 1893, 2037, 2198, 2355, 2910, 3155, 3297, 3395, 3786, 4074, 4417, 4710, 5495, 6310, 6594, 6790, 8834, 9465, 10185, 10990, 13251, 15229, 16485, 18930, 20370, 22085, 26502, 30458, 32970, 44170, 45687, 61207, 66255, 76145, 91374, 99067, 106603, 122414, 132510, 152290, 183621, 198134, 213206, 228435, 297201, 306035, 319809, 367242, 428449, 456870, 495335, 533015, 594402, 612070, 639618, 693469, 856898, 918105, 990670, 1066030, 1285347, 1386938, 1486005, 1599045, 1836210, 2080407, 2142245, 2570694, 2972010, 3198090, 3467345, 4160814, 4284490, 6426735, 6934690, 9609499, 10402035, 12853470, 19218998, 20804070, 28828497, 48047495, 57656994, 67266493, 96094990, 134532986, 144142485, 201799479, 288284970, 336332465, 403598958, 672664930, 1008997395, 2017994790]

約数ペア:

[(1, 2017994790), (2, 1008997395), (3, 672664930), (5, 403598958), (6, 336332465), (7, 288284970), (10, 201799479), (14, 144142485), (15, 134532986), (21, 96094990), (30, 67266493), (35, 57656994), (42, 48047495), (70, 28828497), (97, 20804070), (105, 19218998), (157, 12853470), (194, 10402035), (210, 9609499), (291, 6934690), (314, 6426735), (471, 4284490), (485, 4160814), (582, 3467345), (631, 3198090), (679, 2972010), (785, 2570694), (942, 2142245), (970, 2080407), (1099, 1836210), (1262, 1599045), (1358, 1486005), (1455, 1386938), (1570, 1285347), (1893, 1066030), (2037, 990670), (2198, 918105), (2355, 856898), (2910, 693469), (3155, 639618), (3297, 612070), (3395, 594402), (3786, 533015), (4074, 495335), (4417, 456870), (4710, 428449), (5495, 367242), (6310, 319809), (6594, 306035), (6790, 297201), (8834, 228435), (9465, 213206), (10185, 198134), (10990, 183621), (13251, 152290), (15229, 132510), (16485, 122414), (18930, 106603), (20370, 99067), (22085, 91374), (26502, 76145), (30458, 66255), (32970, 61207), (44170, 45687)]