1430000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:52

約数の個数: 100

約数和(自身を含む): 4067448

約数和(自身を除く): 2637448

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 125, 130, 143, 176, 200, 208, 220, 250, 260, 275, 286, 325, 400, 440, 500, 520, 550, 572, 625, 650, 715, 880, 1000, 1040, 1100, 1144, 1250, 1300, 1375, 1430, 1625, 2000, 2200, 2288, 2500, 2600, 2750, 2860, 3250, 3575, 4400, 5000, 5200, 5500, 5720, 6500, 6875, 7150, 8125, 10000, 11000, 11440, 13000, 13750, 14300, 16250, 17875, 22000, 26000, 27500, 28600, 32500, 35750, 55000, 57200, 65000, 71500, 89375, 110000, 130000, 143000, 178750, 286000, 357500, 715000, 1430000]

約数ペア:

[(1, 1430000), (2, 715000), (4, 357500), (5, 286000), (8, 178750), (10, 143000), (11, 130000), (13, 110000), (16, 89375), (20, 71500), (22, 65000), (25, 57200), (26, 55000), (40, 35750), (44, 32500), (50, 28600), (52, 27500), (55, 26000), (65, 22000), (80, 17875), (88, 16250), (100, 14300), (104, 13750), (110, 13000), (125, 11440), (130, 11000), (143, 10000), (176, 8125), (200, 7150), (208, 6875), (220, 6500), (250, 5720), (260, 5500), (275, 5200), (286, 5000), (325, 4400), (400, 3575), (440, 3250), (500, 2860), (520, 2750), (550, 2600), (572, 2500), (625, 2288), (650, 2200), (715, 2000), (880, 1625), (1000, 1430), (1040, 1375), (1100, 1300), (1144, 1250)]