7139020820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:1077

約数の個数: 96

約数和(自身を含む): 15753830400

約数和(自身を除く): 8614809580

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 239, 430, 470, 478, 739, 860, 940, 956, 1195, 1478, 2021, 2390, 2956, 3695, 4042, 4780, 7390, 8084, 10105, 10277, 11233, 14780, 20210, 20554, 22466, 31777, 34733, 40420, 41108, 44932, 51385, 56165, 63554, 69466, 102770, 112330, 127108, 138932, 158885, 173665, 176621, 205540, 224660, 317770, 347330, 353242, 483019, 635540, 694660, 706484, 883105, 966038, 1493519, 1766210, 1932076, 2415095, 2987038, 3532420, 4830190, 5974076, 7467595, 7594703, 8301187, 9660380, 14935190, 15189406, 16602374, 29870380, 30378812, 33204748, 37973515, 41505935, 75947030, 83011870, 151894060, 166023740, 356951041, 713902082, 1427804164, 1784755205, 3569510410, 7139020820]

約数ペア:

[(1, 7139020820), (2, 3569510410), (4, 1784755205), (5, 1427804164), (10, 713902082), (20, 356951041), (43, 166023740), (47, 151894060), (86, 83011870), (94, 75947030), (172, 41505935), (188, 37973515), (215, 33204748), (235, 30378812), (239, 29870380), (430, 16602374), (470, 15189406), (478, 14935190), (739, 9660380), (860, 8301187), (940, 7594703), (956, 7467595), (1195, 5974076), (1478, 4830190), (2021, 3532420), (2390, 2987038), (2956, 2415095), (3695, 1932076), (4042, 1766210), (4780, 1493519), (7390, 966038), (8084, 883105), (10105, 706484), (10277, 694660), (11233, 635540), (14780, 483019), (20210, 353242), (20554, 347330), (22466, 317770), (31777, 224660), (34733, 205540), (40420, 176621), (41108, 173665), (44932, 158885), (51385, 138932), (56165, 127108), (63554, 112330), (69466, 102770)]