2389750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 4979520

約数和(自身を除く): 2589770

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 121, 125, 158, 242, 250, 275, 395, 550, 605, 790, 869, 1210, 1375, 1738, 1975, 2750, 3025, 3950, 4345, 6050, 8690, 9559, 9875, 15125, 19118, 19750, 21725, 30250, 43450, 47795, 95590, 108625, 217250, 238975, 477950, 1194875, 2389750]

約数ペア:

[(1, 2389750), (2, 1194875), (5, 477950), (10, 238975), (11, 217250), (22, 108625), (25, 95590), (50, 47795), (55, 43450), (79, 30250), (110, 21725), (121, 19750), (125, 19118), (158, 15125), (242, 9875), (250, 9559), (275, 8690), (395, 6050), (550, 4345), (605, 3950), (790, 3025), (869, 2750), (1210, 1975), (1375, 1738)]