2031900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 6343344

約数和(自身を除く): 4311444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 521, 650, 780, 975, 1042, 1300, 1563, 1950, 2084, 2605, 3126, 3900, 5210, 6252, 6773, 7815, 10420, 13025, 13546, 15630, 20319, 26050, 27092, 31260, 33865, 39075, 40638, 52100, 67730, 78150, 81276, 101595, 135460, 156300, 169325, 203190, 338650, 406380, 507975, 677300, 1015950, 2031900]

約数ペア:

[(1, 2031900), (2, 1015950), (3, 677300), (4, 507975), (5, 406380), (6, 338650), (10, 203190), (12, 169325), (13, 156300), (15, 135460), (20, 101595), (25, 81276), (26, 78150), (30, 67730), (39, 52100), (50, 40638), (52, 39075), (60, 33865), (65, 31260), (75, 27092), (78, 26050), (100, 20319), (130, 15630), (150, 13546), (156, 13025), (195, 10420), (260, 7815), (300, 6773), (325, 6252), (390, 5210), (521, 3900), (650, 3126), (780, 2605), (975, 2084), (1042, 1950), (1300, 1563)]