291235000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 799619040

約数和(自身を除く): 508384040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 125, 140, 157, 175, 200, 212, 250, 265, 280, 314, 350, 371, 424, 500, 530, 625, 628, 700, 742, 785, 875, 1000, 1060, 1099, 1250, 1256, 1325, 1400, 1484, 1570, 1750, 1855, 2120, 2198, 2500, 2650, 2968, 3140, 3500, 3710, 3925, 4375, 4396, 5000, 5300, 5495, 6280, 6625, 7000, 7420, 7850, 8321, 8750, 8792, 9275, 10600, 10990, 13250, 14840, 15700, 16642, 17500, 18550, 19625, 21980, 26500, 27475, 31400, 33125, 33284, 35000, 37100, 39250, 41605, 43960, 46375, 53000, 54950, 58247, 66250, 66568, 74200, 78500, 83210, 92750, 98125, 109900, 116494, 132500, 137375, 157000, 166420, 185500, 196250, 208025, 219800, 231875, 232988, 265000, 274750, 291235, 332840, 371000, 392500, 416050, 463750, 465976, 549500, 582470, 686875, 785000, 832100, 927500, 1040125, 1099000, 1164940, 1373750, 1456175, 1664200, 1855000, 2080250, 2329880, 2747500, 2912350, 4160500, 5200625, 5495000, 5824700, 7280875, 8321000, 10401250, 11649400, 14561750, 20802500, 29123500, 36404375, 41605000, 58247000, 72808750, 145617500, 291235000]

約数ペア:

[(1, 291235000), (2, 145617500), (4, 72808750), (5, 58247000), (7, 41605000), (8, 36404375), (10, 29123500), (14, 20802500), (20, 14561750), (25, 11649400), (28, 10401250), (35, 8321000), (40, 7280875), (50, 5824700), (53, 5495000), (56, 5200625), (70, 4160500), (100, 2912350), (106, 2747500), (125, 2329880), (140, 2080250), (157, 1855000), (175, 1664200), (200, 1456175), (212, 1373750), (250, 1164940), (265, 1099000), (280, 1040125), (314, 927500), (350, 832100), (371, 785000), (424, 686875), (500, 582470), (530, 549500), (625, 465976), (628, 463750), (700, 416050), (742, 392500), (785, 371000), (875, 332840), (1000, 291235), (1060, 274750), (1099, 265000), (1250, 232988), (1256, 231875), (1325, 219800), (1400, 208025), (1484, 196250), (1570, 185500), (1750, 166420), (1855, 157000), (2120, 137375), (2198, 132500), (2500, 116494), (2650, 109900), (2968, 98125), (3140, 92750), (3500, 83210), (3710, 78500), (3925, 74200), (4375, 66568), (4396, 66250), (5000, 58247), (5300, 54950), (5495, 53000), (6280, 46375), (6625, 43960), (7000, 41605), (7420, 39250), (7850, 37100), (8321, 35000), (8750, 33284), (8792, 33125), (9275, 31400), (10600, 27475), (10990, 26500), (13250, 21980), (14840, 19625), (15700, 18550), (16642, 17500)]