1900992040

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{103993}}^1$

素因数の和:104461

約数の個数: 32

約数和(自身を含む): 4286632680

約数和(自身を除く): 2385640640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 18280, 103993, 207986, 415972, 519965, 831944, 1039930, 2079860, 4159720, 47524801, 95049602, 190099204, 237624005, 380198408, 475248010, 950496020, 1900992040]

約数ペア:

[(1, 1900992040), (2, 950496020), (4, 475248010), (5, 380198408), (8, 237624005), (10, 190099204), (20, 95049602), (40, 47524801), (457, 4159720), (914, 2079860), (1828, 1039930), (2285, 831944), (3656, 519965), (4570, 415972), (9140, 207986), (18280, 103993)]