78370730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 143758800

約数和(自身を除く): 65388070

約数列:

[1, 2, 5, 10, 89, 173, 178, 346, 445, 509, 865, 890, 1018, 1730, 2545, 5090, 15397, 30794, 45301, 76985, 88057, 90602, 153970, 176114, 226505, 440285, 453010, 880570, 7837073, 15674146, 39185365, 78370730]

約数ペア:

[(1, 78370730), (2, 39185365), (5, 15674146), (10, 7837073), (89, 880570), (173, 453010), (178, 440285), (346, 226505), (445, 176114), (509, 153970), (865, 90602), (890, 88057), (1018, 76985), (1730, 45301), (2545, 30794), (5090, 15397)]