156519580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7121}}^1$

素因数の和:7294

約数の個数: 48

約数和(自身を含む): 378092736

約数和(自身を除く): 221573156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 7121, 10990, 14242, 21980, 28484, 35605, 49847, 71210, 99694, 142420, 199388, 249235, 498470, 996940, 1117997, 2235994, 4471988, 5589985, 7825979, 11179970, 15651958, 22359940, 31303916, 39129895, 78259790, 156519580]

約数ペア:

[(1, 156519580), (2, 78259790), (4, 39129895), (5, 31303916), (7, 22359940), (10, 15651958), (14, 11179970), (20, 7825979), (28, 5589985), (35, 4471988), (70, 2235994), (140, 1117997), (157, 996940), (314, 498470), (628, 249235), (785, 199388), (1099, 142420), (1570, 99694), (2198, 71210), (3140, 49847), (4396, 35605), (5495, 28484), (7121, 21980), (10990, 14242)]