201456940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 432684000

約数和(自身を除く): 231227060

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 149, 268, 298, 335, 596, 670, 745, 1009, 1340, 1490, 2018, 2980, 4036, 5045, 9983, 10090, 19966, 20180, 39932, 49915, 67603, 99830, 135206, 150341, 199660, 270412, 300682, 338015, 601364, 676030, 751705, 1352060, 1503410, 3006820, 10072847, 20145694, 40291388, 50364235, 100728470, 201456940]

約数ペア:

[(1, 201456940), (2, 100728470), (4, 50364235), (5, 40291388), (10, 20145694), (20, 10072847), (67, 3006820), (134, 1503410), (149, 1352060), (268, 751705), (298, 676030), (335, 601364), (596, 338015), (670, 300682), (745, 270412), (1009, 199660), (1340, 150341), (1490, 135206), (2018, 99830), (2980, 67603), (4036, 49915), (5045, 39932), (9983, 20180), (10090, 19966)]