321135920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{573457}}^1$

素因数の和:573477

約数の個数: 40

約数和(自身を含む): 853305504

約数和(自身を除く): 532169584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 573457, 1146914, 2293828, 2867285, 4014199, 4587656, 5734570, 8028398, 9175312, 11469140, 16056796, 20070995, 22938280, 32113592, 40141990, 45876560, 64227184, 80283980, 160567960, 321135920]

約数ペア:

[(1, 321135920), (2, 160567960), (4, 80283980), (5, 64227184), (7, 45876560), (8, 40141990), (10, 32113592), (14, 22938280), (16, 20070995), (20, 16056796), (28, 11469140), (35, 9175312), (40, 8028398), (56, 5734570), (70, 4587656), (80, 4014199), (112, 2867285), (140, 2293828), (280, 1146914), (560, 573457)]