201380240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 495563520

約数和(自身を除く): 294183280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 367, 380, 722, 734, 760, 1444, 1468, 1520, 1805, 1835, 2888, 2936, 3610, 3670, 5776, 5872, 6859, 6973, 7220, 7340, 13718, 13946, 14440, 14680, 27436, 27892, 28880, 29360, 34295, 34865, 54872, 55784, 68590, 69730, 109744, 111568, 132487, 137180, 139460, 264974, 274360, 278920, 529948, 548720, 557840, 662435, 1059896, 1324870, 2119792, 2517253, 2649740, 5034506, 5299480, 10069012, 10598960, 12586265, 20138024, 25172530, 40276048, 50345060, 100690120, 201380240]

約数ペア:

[(1, 201380240), (2, 100690120), (4, 50345060), (5, 40276048), (8, 25172530), (10, 20138024), (16, 12586265), (19, 10598960), (20, 10069012), (38, 5299480), (40, 5034506), (76, 2649740), (80, 2517253), (95, 2119792), (152, 1324870), (190, 1059896), (304, 662435), (361, 557840), (367, 548720), (380, 529948), (722, 278920), (734, 274360), (760, 264974), (1444, 139460), (1468, 137180), (1520, 132487), (1805, 111568), (1835, 109744), (2888, 69730), (2936, 68590), (3610, 55784), (3670, 54872), (5776, 34865), (5872, 34295), (6859, 29360), (6973, 28880), (7220, 27892), (7340, 27436), (13718, 14680), (13946, 14440)]