128102744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 317260800

約数和(自身を除く): 189158056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 71, 77, 88, 101, 116, 142, 154, 202, 203, 232, 284, 308, 319, 404, 406, 497, 568, 616, 638, 707, 781, 808, 812, 994, 1111, 1276, 1414, 1562, 1624, 1988, 2059, 2222, 2233, 2552, 2828, 2929, 3124, 3976, 4118, 4444, 4466, 5467, 5656, 5858, 6248, 7171, 7777, 8236, 8888, 8932, 10934, 11716, 14342, 14413, 15554, 16472, 17864, 20503, 21868, 22649, 23432, 28684, 28826, 31108, 32219, 41006, 43736, 45298, 50197, 57368, 57652, 62216, 64438, 78881, 82012, 90596, 100394, 115304, 128876, 157762, 158543, 164024, 181192, 200788, 207959, 225533, 257752, 315524, 317086, 401576, 415918, 451066, 552167, 631048, 634172, 831836, 902132, 1104334, 1268344, 1455713, 1663672, 1804264, 2208668, 2287549, 2911426, 4417336, 4575098, 5822852, 9150196, 11645704, 16012843, 18300392, 32025686, 64051372, 128102744]

約数ペア:

[(1, 128102744), (2, 64051372), (4, 32025686), (7, 18300392), (8, 16012843), (11, 11645704), (14, 9150196), (22, 5822852), (28, 4575098), (29, 4417336), (44, 2911426), (56, 2287549), (58, 2208668), (71, 1804264), (77, 1663672), (88, 1455713), (101, 1268344), (116, 1104334), (142, 902132), (154, 831836), (202, 634172), (203, 631048), (232, 552167), (284, 451066), (308, 415918), (319, 401576), (404, 317086), (406, 315524), (497, 257752), (568, 225533), (616, 207959), (638, 200788), (707, 181192), (781, 164024), (808, 158543), (812, 157762), (994, 128876), (1111, 115304), (1276, 100394), (1414, 90596), (1562, 82012), (1624, 78881), (1988, 64438), (2059, 62216), (2222, 57652), (2233, 57368), (2552, 50197), (2828, 45298), (2929, 43736), (3124, 41006), (3976, 32219), (4118, 31108), (4444, 28826), (4466, 28684), (5467, 23432), (5656, 22649), (5858, 21868), (6248, 20503), (7171, 17864), (7777, 16472), (8236, 15554), (8888, 14413), (8932, 14342), (10934, 11716)]