208963820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{1721}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 473866848

約数和(自身を除く): 264903028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 467, 934, 1721, 1868, 2335, 3442, 4670, 6071, 6884, 8605, 9340, 12142, 17210, 22373, 24284, 30355, 34420, 44746, 60710, 89492, 111865, 121420, 223730, 447460, 803707, 1607414, 3214828, 4018535, 8037070, 10448191, 16074140, 20896382, 41792764, 52240955, 104481910, 208963820]

約数ペア:

[(1, 208963820), (2, 104481910), (4, 52240955), (5, 41792764), (10, 20896382), (13, 16074140), (20, 10448191), (26, 8037070), (52, 4018535), (65, 3214828), (130, 1607414), (260, 803707), (467, 447460), (934, 223730), (1721, 121420), (1868, 111865), (2335, 89492), (3442, 60710), (4670, 44746), (6071, 34420), (6884, 30355), (8605, 24284), (9340, 22373), (12142, 17210)]