284865460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2305

約数の個数: 72

約数和(自身を含む): 670252968

約数和(自身を除く): 385387508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 212, 220, 242, 265, 484, 530, 583, 605, 1060, 1166, 1210, 2221, 2332, 2420, 2915, 4442, 5830, 6413, 8884, 11105, 11660, 12826, 22210, 24431, 25652, 32065, 44420, 48862, 64130, 97724, 117713, 122155, 128260, 235426, 244310, 268741, 470852, 488620, 537482, 588565, 1074964, 1177130, 1294843, 1343705, 2354260, 2589686, 2687410, 5179372, 5374820, 6474215, 12948430, 14243273, 25896860, 28486546, 56973092, 71216365, 142432730, 284865460]

約数ペア:

[(1, 284865460), (2, 142432730), (4, 71216365), (5, 56973092), (10, 28486546), (11, 25896860), (20, 14243273), (22, 12948430), (44, 6474215), (53, 5374820), (55, 5179372), (106, 2687410), (110, 2589686), (121, 2354260), (212, 1343705), (220, 1294843), (242, 1177130), (265, 1074964), (484, 588565), (530, 537482), (583, 488620), (605, 470852), (1060, 268741), (1166, 244310), (1210, 235426), (2221, 128260), (2332, 122155), (2420, 117713), (2915, 97724), (4442, 64130), (5830, 48862), (6413, 44420), (8884, 32065), (11105, 25652), (11660, 24431), (12826, 22210)]