17875000

素因数分解:

$2^3\times 5^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:60

約数の個数: 112

約数和(自身を含む): 49218120

約数和(自身を除く): 31343120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 125, 130, 143, 200, 220, 250, 260, 275, 286, 325, 440, 500, 520, 550, 572, 625, 650, 715, 1000, 1100, 1144, 1250, 1300, 1375, 1430, 1625, 2200, 2500, 2600, 2750, 2860, 3125, 3250, 3575, 5000, 5500, 5720, 6250, 6500, 6875, 7150, 8125, 11000, 12500, 13000, 13750, 14300, 15625, 16250, 17875, 25000, 27500, 28600, 31250, 32500, 34375, 35750, 40625, 55000, 62500, 65000, 68750, 71500, 81250, 89375, 125000, 137500, 143000, 162500, 171875, 178750, 203125, 275000, 325000, 343750, 357500, 406250, 446875, 687500, 715000, 812500, 893750, 1375000, 1625000, 1787500, 2234375, 3575000, 4468750, 8937500, 17875000]

約数ペア:

[(1, 17875000), (2, 8937500), (4, 4468750), (5, 3575000), (8, 2234375), (10, 1787500), (11, 1625000), (13, 1375000), (20, 893750), (22, 812500), (25, 715000), (26, 687500), (40, 446875), (44, 406250), (50, 357500), (52, 343750), (55, 325000), (65, 275000), (88, 203125), (100, 178750), (104, 171875), (110, 162500), (125, 143000), (130, 137500), (143, 125000), (200, 89375), (220, 81250), (250, 71500), (260, 68750), (275, 65000), (286, 62500), (325, 55000), (440, 40625), (500, 35750), (520, 34375), (550, 32500), (572, 31250), (625, 28600), (650, 27500), (715, 25000), (1000, 17875), (1100, 16250), (1144, 15625), (1250, 14300), (1300, 13750), (1375, 13000), (1430, 12500), (1625, 11000), (2200, 8125), (2500, 7150), (2600, 6875), (2750, 6500), (2860, 6250), (3125, 5720), (3250, 5500), (3575, 5000)]