644753230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{563}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 1315699200

約数和(自身を除く): 670945970

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 359, 563, 638, 718, 1126, 1595, 1795, 2815, 3190, 3590, 3949, 5630, 6193, 7898, 10411, 12386, 16327, 19745, 20822, 30965, 32654, 39490, 52055, 61930, 81635, 104110, 114521, 163270, 179597, 202117, 229042, 359194, 404234, 572605, 897985, 1010585, 1145210, 1795970, 2021170, 2223287, 4446574, 5861393, 11116435, 11722786, 22232870, 29306965, 58613930, 64475323, 128950646, 322376615, 644753230]

約数ペア:

[(1, 644753230), (2, 322376615), (5, 128950646), (10, 64475323), (11, 58613930), (22, 29306965), (29, 22232870), (55, 11722786), (58, 11116435), (110, 5861393), (145, 4446574), (290, 2223287), (319, 2021170), (359, 1795970), (563, 1145210), (638, 1010585), (718, 897985), (1126, 572605), (1595, 404234), (1795, 359194), (2815, 229042), (3190, 202117), (3590, 179597), (3949, 163270), (5630, 114521), (6193, 104110), (7898, 81635), (10411, 61930), (12386, 52055), (16327, 39490), (19745, 32654), (20822, 30965)]