391075840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 948008880

約数和(自身を除く): 556933040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 211, 256, 320, 362, 422, 512, 640, 724, 844, 905, 1024, 1055, 1280, 1448, 1688, 1810, 2048, 2110, 2560, 2896, 3376, 3620, 4220, 5120, 5792, 6752, 7240, 8440, 10240, 11584, 13504, 14480, 16880, 23168, 27008, 28960, 33760, 38191, 46336, 54016, 57920, 67520, 76382, 92672, 108032, 115840, 135040, 152764, 185344, 190955, 216064, 231680, 270080, 305528, 370688, 381910, 432128, 463360, 540160, 611056, 763820, 926720, 1080320, 1222112, 1527640, 1853440, 2160640, 2444224, 3055280, 4888448, 6110560, 9776896, 12221120, 19553792, 24442240, 39107584, 48884480, 78215168, 97768960, 195537920, 391075840]

約数ペア:

[(1, 391075840), (2, 195537920), (4, 97768960), (5, 78215168), (8, 48884480), (10, 39107584), (16, 24442240), (20, 19553792), (32, 12221120), (40, 9776896), (64, 6110560), (80, 4888448), (128, 3055280), (160, 2444224), (181, 2160640), (211, 1853440), (256, 1527640), (320, 1222112), (362, 1080320), (422, 926720), (512, 763820), (640, 611056), (724, 540160), (844, 463360), (905, 432128), (1024, 381910), (1055, 370688), (1280, 305528), (1448, 270080), (1688, 231680), (1810, 216064), (2048, 190955), (2110, 185344), (2560, 152764), (2896, 135040), (3376, 115840), (3620, 108032), (4220, 92672), (5120, 76382), (5792, 67520), (6752, 57920), (7240, 54016), (8440, 46336), (10240, 38191), (11584, 33760), (13504, 28960), (14480, 27008), (16880, 23168)]