621330250

素因数分解:

$2^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{6389}}^1$

素因数の和:6795

約数の個数: 32

約数和(自身を含む): 1166302800

約数和(自身を除く): 544972550

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 389, 778, 1945, 3890, 6389, 9725, 12778, 19450, 31945, 48625, 63890, 97250, 159725, 319450, 798625, 1597250, 2485321, 4970642, 12426605, 24853210, 62133025, 124266050, 310665125, 621330250]

約数ペア:

[(1, 621330250), (2, 310665125), (5, 124266050), (10, 62133025), (25, 24853210), (50, 12426605), (125, 4970642), (250, 2485321), (389, 1597250), (778, 798625), (1945, 319450), (3890, 159725), (6389, 97250), (9725, 63890), (12778, 48625), (19450, 31945)]