977990420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233969}}^1$

素因数の和:234008

約数の個数: 48

約数和(自身を含む): 2358417600

約数和(自身を除く): 1380427180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 233969, 467938, 935876, 1169845, 2339690, 2573659, 4445411, 4679380, 5147318, 8890822, 10294636, 12868295, 17781644, 22227055, 25736590, 44454110, 48899521, 51473180, 88908220, 97799042, 195598084, 244497605, 488995210, 977990420]

約数ペア:

[(1, 977990420), (2, 488995210), (4, 244497605), (5, 195598084), (10, 97799042), (11, 88908220), (19, 51473180), (20, 48899521), (22, 44454110), (38, 25736590), (44, 22227055), (55, 17781644), (76, 12868295), (95, 10294636), (110, 8890822), (190, 5147318), (209, 4679380), (220, 4445411), (380, 2573659), (418, 2339690), (836, 1169845), (1045, 935876), (2090, 467938), (4180, 233969)]