286747520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 719712000

約数和(自身を除く): 432964480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 149, 155, 160, 194, 248, 298, 310, 320, 388, 485, 496, 596, 620, 640, 745, 776, 970, 992, 1192, 1240, 1490, 1552, 1940, 1984, 2384, 2480, 2980, 3007, 3104, 3880, 3968, 4619, 4768, 4960, 5960, 6014, 6208, 7760, 9238, 9536, 9920, 11920, 12028, 12416, 14453, 15035, 15520, 18476, 19072, 19840, 23095, 23840, 24056, 28906, 30070, 31040, 36952, 46190, 47680, 48112, 57812, 60140, 62080, 72265, 73904, 92380, 95360, 96224, 115624, 120280, 144530, 147808, 184760, 192448, 231248, 240560, 289060, 295616, 369520, 384896, 448043, 462496, 481120, 578120, 591232, 739040, 896086, 924992, 962240, 1156240, 1478080, 1792172, 1849984, 1924480, 2240215, 2312480, 2956160, 3584344, 4480430, 4624960, 7168688, 8960860, 9249920, 14337376, 17921720, 28674752, 35843440, 57349504, 71686880, 143373760, 286747520]

約数ペア:

[(1, 286747520), (2, 143373760), (4, 71686880), (5, 57349504), (8, 35843440), (10, 28674752), (16, 17921720), (20, 14337376), (31, 9249920), (32, 8960860), (40, 7168688), (62, 4624960), (64, 4480430), (80, 3584344), (97, 2956160), (124, 2312480), (128, 2240215), (149, 1924480), (155, 1849984), (160, 1792172), (194, 1478080), (248, 1156240), (298, 962240), (310, 924992), (320, 896086), (388, 739040), (485, 591232), (496, 578120), (596, 481120), (620, 462496), (640, 448043), (745, 384896), (776, 369520), (970, 295616), (992, 289060), (1192, 240560), (1240, 231248), (1490, 192448), (1552, 184760), (1940, 147808), (1984, 144530), (2384, 120280), (2480, 115624), (2980, 96224), (3007, 95360), (3104, 92380), (3880, 73904), (3968, 72265), (4619, 62080), (4768, 60140), (4960, 57812), (5960, 48112), (6014, 47680), (6208, 46190), (7760, 36952), (9238, 31040), (9536, 30070), (9920, 28906), (11920, 24056), (12028, 23840), (12416, 23095), (14453, 19840), (15035, 19072), (15520, 18476)]