145420806680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1\times {\mathrm{19207}}^1$

素因数の和:20400

約数の個数: 64

約数和(自身を含む): 329258926080

約数和(自身を除く): 183838119400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 991, 1528, 1910, 1982, 3820, 3964, 4955, 7640, 7928, 9910, 19207, 19820, 38414, 39640, 76828, 96035, 153656, 189281, 192070, 378562, 384140, 757124, 768280, 946405, 1514248, 1892810, 3668537, 3785620, 7337074, 7571240, 14674148, 18342685, 19034137, 29348296, 36685370, 38068274, 73370740, 76136548, 95170685, 146741480, 152273096, 190341370, 380682740, 761365480, 3635520167, 7271040334, 14542080668, 18177600835, 29084161336, 36355201670, 72710403340, 145420806680]

約数ペア:

[(1, 145420806680), (2, 72710403340), (4, 36355201670), (5, 29084161336), (8, 18177600835), (10, 14542080668), (20, 7271040334), (40, 3635520167), (191, 761365480), (382, 380682740), (764, 190341370), (955, 152273096), (991, 146741480), (1528, 95170685), (1910, 76136548), (1982, 73370740), (3820, 38068274), (3964, 36685370), (4955, 29348296), (7640, 19034137), (7928, 18342685), (9910, 14674148), (19207, 7571240), (19820, 7337074), (38414, 3785620), (39640, 3668537), (76828, 1892810), (96035, 1514248), (153656, 946405), (189281, 768280), (192070, 757124), (378562, 384140)]