846640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 2075760

約数和(自身を除く): 1229120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 557, 760, 1114, 1520, 2228, 2785, 4456, 5570, 8912, 10583, 11140, 21166, 22280, 42332, 44560, 52915, 84664, 105830, 169328, 211660, 423320, 846640]

約数ペア:

[(1, 846640), (2, 423320), (4, 211660), (5, 169328), (8, 105830), (10, 84664), (16, 52915), (19, 44560), (20, 42332), (38, 22280), (40, 21166), (76, 11140), (80, 10583), (95, 8912), (152, 5570), (190, 4456), (304, 2785), (380, 2228), (557, 1520), (760, 1114)]