2019802380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{64613}}^1$

素因数の和:65146

約数の個数: 48

約数和(自身を含む): 5666389344

約数和(自身を除く): 3646586964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2605, 3126, 5210, 6252, 7815, 10420, 15630, 31260, 64613, 129226, 193839, 258452, 323065, 387678, 646130, 775356, 969195, 1292260, 1938390, 3876780, 33663373, 67326746, 100990119, 134653492, 168316865, 201980238, 336633730, 403960476, 504950595, 673267460, 1009901190, 2019802380]

約数ペア:

[(1, 2019802380), (2, 1009901190), (3, 673267460), (4, 504950595), (5, 403960476), (6, 336633730), (10, 201980238), (12, 168316865), (15, 134653492), (20, 100990119), (30, 67326746), (60, 33663373), (521, 3876780), (1042, 1938390), (1563, 1292260), (2084, 969195), (2605, 775356), (3126, 646130), (5210, 387678), (6252, 323065), (7815, 258452), (10420, 193839), (15630, 129226), (31260, 64613)]