2007494900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{647579}}^1$

素因数の和:647624

約数の個数: 36

約数和(自身を含む): 4496795520

約数和(自身を除く): 2489300620

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 647579, 1295158, 2590316, 3237895, 6475790, 12951580, 16189475, 20074949, 32378950, 40149898, 64757900, 80299796, 100374745, 200749490, 401498980, 501873725, 1003747450, 2007494900]

約数ペア:

[(1, 2007494900), (2, 1003747450), (4, 501873725), (5, 401498980), (10, 200749490), (20, 100374745), (25, 80299796), (31, 64757900), (50, 40149898), (62, 32378950), (100, 20074949), (124, 16189475), (155, 12951580), (310, 6475790), (620, 3237895), (775, 2590316), (1550, 1295158), (3100, 647579)]