220174100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 496093248

約数和(自身を除く): 275919148

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 83, 100, 164, 166, 205, 332, 410, 415, 647, 820, 830, 1025, 1294, 1660, 2050, 2075, 2588, 3235, 3403, 4100, 4150, 6470, 6806, 8300, 12940, 13612, 16175, 17015, 26527, 32350, 34030, 53054, 53701, 64700, 68060, 85075, 106108, 107402, 132635, 170150, 214804, 265270, 268505, 340300, 530540, 537010, 663175, 1074020, 1326350, 1342525, 2201741, 2652700, 2685050, 4403482, 5370100, 8806964, 11008705, 22017410, 44034820, 55043525, 110087050, 220174100]

約数ペア:

[(1, 220174100), (2, 110087050), (4, 55043525), (5, 44034820), (10, 22017410), (20, 11008705), (25, 8806964), (41, 5370100), (50, 4403482), (82, 2685050), (83, 2652700), (100, 2201741), (164, 1342525), (166, 1326350), (205, 1074020), (332, 663175), (410, 537010), (415, 530540), (647, 340300), (820, 268505), (830, 265270), (1025, 214804), (1294, 170150), (1660, 132635), (2050, 107402), (2075, 106108), (2588, 85075), (3235, 68060), (3403, 64700), (4100, 53701), (4150, 53054), (6470, 34030), (6806, 32350), (8300, 26527), (12940, 17015), (13612, 16175)]