3890900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 9442104

約数和(自身を除く): 5551204

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 73, 82, 100, 130, 146, 164, 205, 260, 292, 325, 365, 410, 533, 650, 730, 820, 949, 1025, 1066, 1300, 1460, 1825, 1898, 2050, 2132, 2665, 2993, 3650, 3796, 4100, 4745, 5330, 5986, 7300, 9490, 10660, 11972, 13325, 14965, 18980, 23725, 26650, 29930, 38909, 47450, 53300, 59860, 74825, 77818, 94900, 149650, 155636, 194545, 299300, 389090, 778180, 972725, 1945450, 3890900]

約数ペア:

[(1, 3890900), (2, 1945450), (4, 972725), (5, 778180), (10, 389090), (13, 299300), (20, 194545), (25, 155636), (26, 149650), (41, 94900), (50, 77818), (52, 74825), (65, 59860), (73, 53300), (82, 47450), (100, 38909), (130, 29930), (146, 26650), (164, 23725), (205, 18980), (260, 14965), (292, 13325), (325, 11972), (365, 10660), (410, 9490), (533, 7300), (650, 5986), (730, 5330), (820, 4745), (949, 4100), (1025, 3796), (1066, 3650), (1300, 2993), (1460, 2665), (1825, 2132), (1898, 2050)]