197440041980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21943}}^1\times {\mathrm{10973}}^1$

素因数の和:32966

約数の個数: 48

約数和(自身を含む): 424794936384

約数和(自身を除く): 227354894404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10973, 21943, 21946, 43886, 43892, 54865, 87772, 109715, 109730, 219430, 219460, 438860, 449893, 899663, 899786, 1799326, 1799572, 2249465, 3598652, 4498315, 4498930, 8996630, 8997860, 17993260, 240780539, 481561078, 963122156, 1203902695, 2407805390, 4815610780, 9872002099, 19744004198, 39488008396, 49360010495, 98720020990, 197440041980]

約数ペア:

[(1, 197440041980), (2, 98720020990), (4, 49360010495), (5, 39488008396), (10, 19744004198), (20, 9872002099), (41, 4815610780), (82, 2407805390), (164, 1203902695), (205, 963122156), (410, 481561078), (820, 240780539), (10973, 17993260), (21943, 8997860), (21946, 8996630), (43886, 4498930), (43892, 4498315), (54865, 3598652), (87772, 2249465), (109715, 1799572), (109730, 1799326), (219430, 899786), (219460, 899663), (438860, 449893)]