181838140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{8521}}^1$

素因数の和:8638

約数の個数: 48

約数和(自身を含む): 420918624

約数和(自身を除く): 239080484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 8521, 10670, 17042, 21340, 34084, 42605, 85210, 93731, 170420, 187462, 374924, 468655, 826537, 937310, 1653074, 1874620, 3306148, 4132685, 8265370, 9091907, 16530740, 18183814, 36367628, 45459535, 90919070, 181838140]

約数ペア:

[(1, 181838140), (2, 90919070), (4, 45459535), (5, 36367628), (10, 18183814), (11, 16530740), (20, 9091907), (22, 8265370), (44, 4132685), (55, 3306148), (97, 1874620), (110, 1653074), (194, 937310), (220, 826537), (388, 468655), (485, 374924), (970, 187462), (1067, 170420), (1940, 93731), (2134, 85210), (4268, 42605), (5335, 34084), (8521, 21340), (10670, 17042)]