254885120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28447}}^1$

素因数の和:28475

約数の個数: 72

約数和(自身を含む): 697772544

約数和(自身を除く): 442887424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28447, 56894, 113788, 142235, 199129, 227576, 284470, 398258, 455152, 568940, 796516, 910304, 995645, 1137880, 1593032, 1820608, 1991290, 2275760, 3186064, 3641216, 3982580, 4551520, 6372128, 7282432, 7965160, 9103040, 12744256, 15930320, 18206080, 25488512, 31860640, 36412160, 50977024, 63721280, 127442560, 254885120]

約数ペア:

[(1, 254885120), (2, 127442560), (4, 63721280), (5, 50977024), (7, 36412160), (8, 31860640), (10, 25488512), (14, 18206080), (16, 15930320), (20, 12744256), (28, 9103040), (32, 7965160), (35, 7282432), (40, 6372128), (56, 4551520), (64, 3982580), (70, 3641216), (80, 3186064), (112, 2275760), (128, 1991290), (140, 1820608), (160, 1593032), (224, 1137880), (256, 995645), (280, 910304), (320, 796516), (448, 568940), (560, 455152), (640, 398258), (896, 284470), (1120, 227576), (1280, 199129), (1792, 142235), (2240, 113788), (4480, 56894), (8960, 28447)]