70219000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 177914880

約数和(自身を除く): 107695880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 43, 46, 50, 71, 86, 92, 100, 115, 125, 142, 172, 184, 200, 215, 230, 250, 284, 344, 355, 430, 460, 500, 568, 575, 710, 860, 920, 989, 1000, 1075, 1150, 1420, 1633, 1720, 1775, 1978, 2150, 2300, 2840, 2875, 3053, 3266, 3550, 3956, 4300, 4600, 4945, 5375, 5750, 6106, 6532, 7100, 7912, 8165, 8600, 8875, 9890, 10750, 11500, 12212, 13064, 14200, 15265, 16330, 17750, 19780, 21500, 23000, 24424, 24725, 30530, 32660, 35500, 39560, 40825, 43000, 49450, 61060, 65320, 70219, 71000, 76325, 81650, 98900, 122120, 123625, 140438, 152650, 163300, 197800, 204125, 247250, 280876, 305300, 326600, 351095, 381625, 408250, 494500, 561752, 610600, 702190, 763250, 816500, 989000, 1404380, 1526500, 1633000, 1755475, 2808760, 3053000, 3510950, 7021900, 8777375, 14043800, 17554750, 35109500, 70219000]

約数ペア:

[(1, 70219000), (2, 35109500), (4, 17554750), (5, 14043800), (8, 8777375), (10, 7021900), (20, 3510950), (23, 3053000), (25, 2808760), (40, 1755475), (43, 1633000), (46, 1526500), (50, 1404380), (71, 989000), (86, 816500), (92, 763250), (100, 702190), (115, 610600), (125, 561752), (142, 494500), (172, 408250), (184, 381625), (200, 351095), (215, 326600), (230, 305300), (250, 280876), (284, 247250), (344, 204125), (355, 197800), (430, 163300), (460, 152650), (500, 140438), (568, 123625), (575, 122120), (710, 98900), (860, 81650), (920, 76325), (989, 71000), (1000, 70219), (1075, 65320), (1150, 61060), (1420, 49450), (1633, 43000), (1720, 40825), (1775, 39560), (1978, 35500), (2150, 32660), (2300, 30530), (2840, 24725), (2875, 24424), (3053, 23000), (3266, 21500), (3550, 19780), (3956, 17750), (4300, 16330), (4600, 15265), (4945, 14200), (5375, 13064), (5750, 12212), (6106, 11500), (6532, 10750), (7100, 9890), (7912, 8875), (8165, 8600)]