1207996940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{17749}}^1$

素因数の和:17882

約数の個数: 48

約数和(自身を含む): 2630124000

約数和(自身を除く): 1422127060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1660, 3403, 6806, 13612, 17015, 17749, 34030, 35498, 68060, 70996, 88745, 177490, 354980, 727709, 1455418, 1473167, 2910836, 2946334, 3638545, 5892668, 7277090, 7365835, 14554180, 14731670, 29463340, 60399847, 120799694, 241599388, 301999235, 603998470, 1207996940]

約数ペア:

[(1, 1207996940), (2, 603998470), (4, 301999235), (5, 241599388), (10, 120799694), (20, 60399847), (41, 29463340), (82, 14731670), (83, 14554180), (164, 7365835), (166, 7277090), (205, 5892668), (332, 3638545), (410, 2946334), (415, 2910836), (820, 1473167), (830, 1455418), (1660, 727709), (3403, 354980), (6806, 177490), (13612, 88745), (17015, 70996), (17749, 68060), (34030, 35498)]