213886970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 430755840

約数和(自身を除く): 216868870

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 151, 158, 163, 302, 326, 395, 755, 790, 815, 869, 1510, 1630, 1661, 1738, 1793, 3322, 3586, 4345, 8305, 8690, 8965, 11929, 12877, 16610, 17930, 23858, 24613, 25754, 49226, 59645, 64385, 119290, 123065, 128770, 131219, 141647, 246130, 262438, 270743, 283294, 541486, 656095, 708235, 1312190, 1353715, 1416470, 1944427, 2707430, 3888854, 9722135, 19444270, 21388697, 42777394, 106943485, 213886970]

約数ペア:

[(1, 213886970), (2, 106943485), (5, 42777394), (10, 21388697), (11, 19444270), (22, 9722135), (55, 3888854), (79, 2707430), (110, 1944427), (151, 1416470), (158, 1353715), (163, 1312190), (302, 708235), (326, 656095), (395, 541486), (755, 283294), (790, 270743), (815, 262438), (869, 246130), (1510, 141647), (1630, 131219), (1661, 128770), (1738, 123065), (1793, 119290), (3322, 64385), (3586, 59645), (4345, 49226), (8305, 25754), (8690, 24613), (8965, 23858), (11929, 17930), (12877, 16610)]