285468820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 745113600

約数和(自身を除く): 459644780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 109, 130, 140, 182, 218, 260, 364, 436, 455, 545, 763, 910, 1090, 1417, 1439, 1526, 1820, 2180, 2834, 2878, 3052, 3815, 5668, 5756, 7085, 7195, 7630, 9919, 10073, 14170, 14390, 15260, 18707, 19838, 20146, 28340, 28780, 37414, 39676, 40292, 49595, 50365, 74828, 93535, 99190, 100730, 130949, 156851, 187070, 198380, 201460, 261898, 313702, 374140, 523796, 627404, 654745, 784255, 1097957, 1309490, 1568510, 2039063, 2195914, 2618980, 3137020, 4078126, 4391828, 5489785, 8156252, 10195315, 10979570, 14273441, 20390630, 21959140, 28546882, 40781260, 57093764, 71367205, 142734410, 285468820]

約数ペア:

[(1, 285468820), (2, 142734410), (4, 71367205), (5, 57093764), (7, 40781260), (10, 28546882), (13, 21959140), (14, 20390630), (20, 14273441), (26, 10979570), (28, 10195315), (35, 8156252), (52, 5489785), (65, 4391828), (70, 4078126), (91, 3137020), (109, 2618980), (130, 2195914), (140, 2039063), (182, 1568510), (218, 1309490), (260, 1097957), (364, 784255), (436, 654745), (455, 627404), (545, 523796), (763, 374140), (910, 313702), (1090, 261898), (1417, 201460), (1439, 198380), (1526, 187070), (1820, 156851), (2180, 130949), (2834, 100730), (2878, 99190), (3052, 93535), (3815, 74828), (5668, 50365), (5756, 49595), (7085, 40292), (7195, 39676), (7630, 37414), (9919, 28780), (10073, 28340), (14170, 20146), (14390, 19838), (15260, 18707)]