72409000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 184953600

約数和(自身を除く): 112544600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 37, 38, 40, 50, 74, 76, 95, 100, 103, 125, 148, 152, 185, 190, 200, 206, 250, 296, 370, 380, 412, 475, 500, 515, 703, 740, 760, 824, 925, 950, 1000, 1030, 1406, 1480, 1850, 1900, 1957, 2060, 2375, 2575, 2812, 3515, 3700, 3800, 3811, 3914, 4120, 4625, 4750, 5150, 5624, 7030, 7400, 7622, 7828, 9250, 9500, 9785, 10300, 12875, 14060, 15244, 15656, 17575, 18500, 19000, 19055, 19570, 20600, 25750, 28120, 30488, 35150, 37000, 38110, 39140, 48925, 51500, 70300, 72409, 76220, 78280, 87875, 95275, 97850, 103000, 140600, 144818, 152440, 175750, 190550, 195700, 244625, 289636, 351500, 362045, 381100, 391400, 476375, 489250, 579272, 703000, 724090, 762200, 952750, 978500, 1448180, 1810225, 1905500, 1957000, 2896360, 3620450, 3811000, 7240900, 9051125, 14481800, 18102250, 36204500, 72409000]

約数ペア:

[(1, 72409000), (2, 36204500), (4, 18102250), (5, 14481800), (8, 9051125), (10, 7240900), (19, 3811000), (20, 3620450), (25, 2896360), (37, 1957000), (38, 1905500), (40, 1810225), (50, 1448180), (74, 978500), (76, 952750), (95, 762200), (100, 724090), (103, 703000), (125, 579272), (148, 489250), (152, 476375), (185, 391400), (190, 381100), (200, 362045), (206, 351500), (250, 289636), (296, 244625), (370, 195700), (380, 190550), (412, 175750), (475, 152440), (500, 144818), (515, 140600), (703, 103000), (740, 97850), (760, 95275), (824, 87875), (925, 78280), (950, 76220), (1000, 72409), (1030, 70300), (1406, 51500), (1480, 48925), (1850, 39140), (1900, 38110), (1957, 37000), (2060, 35150), (2375, 30488), (2575, 28120), (2812, 25750), (3515, 20600), (3700, 19570), (3800, 19055), (3811, 19000), (3914, 18500), (4120, 17575), (4625, 15656), (4750, 15244), (5150, 14060), (5624, 12875), (7030, 10300), (7400, 9785), (7622, 9500), (7828, 9250)]