391330280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38669}}^1$

素因数の和:38714

約数の個数: 64

約数和(自身を含む): 1002326400

約数和(自身を除く): 610996120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 38669, 77338, 154676, 193345, 309352, 386690, 425359, 773380, 850718, 889387, 1546760, 1701436, 1778774, 2126795, 3402872, 3557548, 4253590, 4446935, 7115096, 8507180, 8893870, 9783257, 17014360, 17787740, 19566514, 35575480, 39133028, 48916285, 78266056, 97832570, 195665140, 391330280]

約数ペア:

[(1, 391330280), (2, 195665140), (4, 97832570), (5, 78266056), (8, 48916285), (10, 39133028), (11, 35575480), (20, 19566514), (22, 17787740), (23, 17014360), (40, 9783257), (44, 8893870), (46, 8507180), (55, 7115096), (88, 4446935), (92, 4253590), (110, 3557548), (115, 3402872), (184, 2126795), (220, 1778774), (230, 1701436), (253, 1546760), (440, 889387), (460, 850718), (506, 773380), (920, 425359), (1012, 386690), (1265, 309352), (2024, 193345), (2530, 154676), (5060, 77338), (10120, 38669)]