201855920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{360457}}^1$

素因数の和:360477

約数の個数: 40

約数和(自身を含む): 536361504

約数和(自身を除く): 334505584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 360457, 720914, 1441828, 1802285, 2523199, 2883656, 3604570, 5046398, 5767312, 7209140, 10092796, 12615995, 14418280, 20185592, 25231990, 28836560, 40371184, 50463980, 100927960, 201855920]

約数ペア:

[(1, 201855920), (2, 100927960), (4, 50463980), (5, 40371184), (7, 28836560), (8, 25231990), (10, 20185592), (14, 14418280), (16, 12615995), (20, 10092796), (28, 7209140), (35, 5767312), (40, 5046398), (56, 3604570), (70, 2883656), (80, 2523199), (112, 1802285), (140, 1441828), (280, 720914), (560, 360457)]