172137020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 402594192

約数和(自身を除く): 230457172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 332, 415, 484, 605, 830, 857, 913, 1210, 1660, 1714, 1826, 2420, 3428, 3652, 4285, 4565, 8570, 9130, 9427, 10043, 17140, 18260, 18854, 20086, 37708, 40172, 47135, 50215, 71131, 94270, 100430, 103697, 142262, 188540, 200860, 207394, 284524, 355655, 414788, 518485, 711310, 782441, 1036970, 1422620, 1564882, 2073940, 3129764, 3912205, 7824410, 8606851, 15648820, 17213702, 34427404, 43034255, 86068510, 172137020]

約数ペア:

[(1, 172137020), (2, 86068510), (4, 43034255), (5, 34427404), (10, 17213702), (11, 15648820), (20, 8606851), (22, 7824410), (44, 3912205), (55, 3129764), (83, 2073940), (110, 1564882), (121, 1422620), (166, 1036970), (220, 782441), (242, 711310), (332, 518485), (415, 414788), (484, 355655), (605, 284524), (830, 207394), (857, 200860), (913, 188540), (1210, 142262), (1660, 103697), (1714, 100430), (1826, 94270), (2420, 71131), (3428, 50215), (3652, 47135), (4285, 40172), (4565, 37708), (8570, 20086), (9130, 18854), (9427, 18260), (10043, 17140)]