71500000

素因数分解:

$2^5\times 5^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:64

約数の個数: 168

約数和(自身を含む): 206716104

約数和(自身を除く): 135216104

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 125, 130, 143, 160, 176, 200, 208, 220, 250, 260, 275, 286, 325, 352, 400, 416, 440, 500, 520, 550, 572, 625, 650, 715, 800, 880, 1000, 1040, 1100, 1144, 1250, 1300, 1375, 1430, 1625, 1760, 2000, 2080, 2200, 2288, 2500, 2600, 2750, 2860, 3125, 3250, 3575, 4000, 4400, 4576, 5000, 5200, 5500, 5720, 6250, 6500, 6875, 7150, 8125, 8800, 10000, 10400, 11000, 11440, 12500, 13000, 13750, 14300, 15625, 16250, 17875, 20000, 22000, 22880, 25000, 26000, 27500, 28600, 31250, 32500, 34375, 35750, 40625, 44000, 50000, 52000, 55000, 57200, 62500, 65000, 68750, 71500, 81250, 89375, 100000, 110000, 114400, 125000, 130000, 137500, 143000, 162500, 171875, 178750, 203125, 220000, 250000, 260000, 275000, 286000, 325000, 343750, 357500, 406250, 446875, 500000, 550000, 572000, 650000, 687500, 715000, 812500, 893750, 1100000, 1300000, 1375000, 1430000, 1625000, 1787500, 2234375, 2750000, 2860000, 3250000, 3575000, 4468750, 5500000, 6500000, 7150000, 8937500, 14300000, 17875000, 35750000, 71500000]

約数ペア:

[(1, 71500000), (2, 35750000), (4, 17875000), (5, 14300000), (8, 8937500), (10, 7150000), (11, 6500000), (13, 5500000), (16, 4468750), (20, 3575000), (22, 3250000), (25, 2860000), (26, 2750000), (32, 2234375), (40, 1787500), (44, 1625000), (50, 1430000), (52, 1375000), (55, 1300000), (65, 1100000), (80, 893750), (88, 812500), (100, 715000), (104, 687500), (110, 650000), (125, 572000), (130, 550000), (143, 500000), (160, 446875), (176, 406250), (200, 357500), (208, 343750), (220, 325000), (250, 286000), (260, 275000), (275, 260000), (286, 250000), (325, 220000), (352, 203125), (400, 178750), (416, 171875), (440, 162500), (500, 143000), (520, 137500), (550, 130000), (572, 125000), (625, 114400), (650, 110000), (715, 100000), (800, 89375), (880, 81250), (1000, 71500), (1040, 68750), (1100, 65000), (1144, 62500), (1250, 57200), (1300, 55000), (1375, 52000), (1430, 50000), (1625, 44000), (1760, 40625), (2000, 35750), (2080, 34375), (2200, 32500), (2288, 31250), (2500, 28600), (2600, 27500), (2750, 26000), (2860, 25000), (3125, 22880), (3250, 22000), (3575, 20000), (4000, 17875), (4400, 16250), (4576, 15625), (5000, 14300), (5200, 13750), (5500, 13000), (5720, 12500), (6250, 11440), (6500, 11000), (6875, 10400), (7150, 10000), (8125, 8800)]