396683440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 1018541952

約数和(自身を除く): 621858512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 97, 124, 136, 155, 170, 194, 248, 272, 310, 340, 388, 485, 496, 527, 620, 680, 776, 970, 1054, 1240, 1360, 1552, 1649, 1940, 2108, 2480, 2635, 3007, 3298, 3880, 4216, 5270, 6014, 6596, 7760, 8245, 8432, 9409, 10540, 12028, 13192, 15035, 16490, 18818, 21080, 24056, 26384, 30070, 32980, 37636, 42160, 47045, 48112, 51119, 60140, 65960, 75272, 94090, 102238, 120280, 131920, 150544, 159953, 188180, 204476, 240560, 255595, 291679, 319906, 376360, 408952, 511190, 583358, 639812, 752720, 799765, 817904, 1022380, 1166716, 1279624, 1458395, 1599530, 2044760, 2333432, 2559248, 2916790, 3199060, 4089520, 4666864, 4958543, 5833580, 6398120, 9917086, 11667160, 12796240, 19834172, 23334320, 24792715, 39668344, 49585430, 79336688, 99170860, 198341720, 396683440]

約数ペア:

[(1, 396683440), (2, 198341720), (4, 99170860), (5, 79336688), (8, 49585430), (10, 39668344), (16, 24792715), (17, 23334320), (20, 19834172), (31, 12796240), (34, 11667160), (40, 9917086), (62, 6398120), (68, 5833580), (80, 4958543), (85, 4666864), (97, 4089520), (124, 3199060), (136, 2916790), (155, 2559248), (170, 2333432), (194, 2044760), (248, 1599530), (272, 1458395), (310, 1279624), (340, 1166716), (388, 1022380), (485, 817904), (496, 799765), (527, 752720), (620, 639812), (680, 583358), (776, 511190), (970, 408952), (1054, 376360), (1240, 319906), (1360, 291679), (1552, 255595), (1649, 240560), (1940, 204476), (2108, 188180), (2480, 159953), (2635, 150544), (3007, 131920), (3298, 120280), (3880, 102238), (4216, 94090), (5270, 75272), (6014, 65960), (6596, 60140), (7760, 51119), (8245, 48112), (8432, 47045), (9409, 42160), (10540, 37636), (12028, 32980), (13192, 30070), (15035, 26384), (16490, 24056), (18818, 21080)]