1399937620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{10223}}^1$

素因数の和:10440

約数の個数: 48

約数和(自身を含む): 3029902848

約数和(自身を除く): 1629965228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 668, 820, 835, 1670, 3340, 6847, 10223, 13694, 20446, 27388, 34235, 40892, 51115, 68470, 102230, 136940, 204460, 419143, 838286, 1676572, 1707241, 2095715, 3414482, 4191430, 6828964, 8382860, 8536205, 17072410, 34144820, 69996881, 139993762, 279987524, 349984405, 699968810, 1399937620]

約数ペア:

[(1, 1399937620), (2, 699968810), (4, 349984405), (5, 279987524), (10, 139993762), (20, 69996881), (41, 34144820), (82, 17072410), (164, 8536205), (167, 8382860), (205, 6828964), (334, 4191430), (410, 3414482), (668, 2095715), (820, 1707241), (835, 1676572), (1670, 838286), (3340, 419143), (6847, 204460), (10223, 136940), (13694, 102230), (20446, 68470), (27388, 51115), (34235, 40892)]