129117440

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 311812200

約数和(自身を除く): 182694760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 596, 640, 677, 745, 1192, 1280, 1354, 1490, 2384, 2708, 2980, 3385, 4768, 5416, 5960, 6770, 9536, 10832, 11920, 13540, 19072, 21664, 23840, 27080, 38144, 43328, 47680, 54160, 86656, 95360, 100873, 108320, 173312, 190720, 201746, 216640, 403492, 433280, 504365, 806984, 866560, 1008730, 1613968, 2017460, 3227936, 4034920, 6455872, 8069840, 12911744, 16139680, 25823488, 32279360, 64558720, 129117440]

約数ペア:

[(1, 129117440), (2, 64558720), (4, 32279360), (5, 25823488), (8, 16139680), (10, 12911744), (16, 8069840), (20, 6455872), (32, 4034920), (40, 3227936), (64, 2017460), (80, 1613968), (128, 1008730), (149, 866560), (160, 806984), (256, 504365), (298, 433280), (320, 403492), (596, 216640), (640, 201746), (677, 190720), (745, 173312), (1192, 108320), (1280, 100873), (1354, 95360), (1490, 86656), (2384, 54160), (2708, 47680), (2980, 43328), (3385, 38144), (4768, 27080), (5416, 23840), (5960, 21664), (6770, 19072), (9536, 13540), (10832, 11920)]