2019955750

素因数分解:

$2^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 3839659200

約数和(自身を除く): 1819703450

約数列:

[1, 2, 5, 10, 25, 50, 125, 149, 211, 250, 257, 298, 422, 514, 745, 1055, 1285, 1490, 2110, 2570, 3725, 5275, 6425, 7450, 10550, 12850, 18625, 26375, 31439, 32125, 37250, 38293, 52750, 54227, 62878, 64250, 76586, 108454, 157195, 191465, 271135, 314390, 382930, 542270, 785975, 957325, 1355675, 1571950, 1914650, 2711350, 3929875, 4786625, 6778375, 7859750, 8079823, 9573250, 13556750, 16159646, 40399115, 80798230, 201995575, 403991150, 1009977875, 2019955750]

約数ペア:

[(1, 2019955750), (2, 1009977875), (5, 403991150), (10, 201995575), (25, 80798230), (50, 40399115), (125, 16159646), (149, 13556750), (211, 9573250), (250, 8079823), (257, 7859750), (298, 6778375), (422, 4786625), (514, 3929875), (745, 2711350), (1055, 1914650), (1285, 1571950), (1490, 1355675), (2110, 957325), (2570, 785975), (3725, 542270), (5275, 382930), (6425, 314390), (7450, 271135), (10550, 191465), (12850, 157195), (18625, 108454), (26375, 76586), (31439, 64250), (32125, 62878), (37250, 54227), (38293, 52750)]