39930400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 106868160

約数和(自身を除く): 66937760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 37, 38, 40, 50, 71, 74, 76, 80, 95, 100, 142, 148, 152, 160, 185, 190, 200, 284, 296, 304, 355, 370, 380, 400, 475, 568, 592, 608, 703, 710, 740, 760, 800, 925, 950, 1136, 1184, 1349, 1406, 1420, 1480, 1520, 1775, 1850, 1900, 2272, 2627, 2698, 2812, 2840, 2960, 3040, 3515, 3550, 3700, 3800, 5254, 5396, 5624, 5680, 5920, 6745, 7030, 7100, 7400, 7600, 10508, 10792, 11248, 11360, 13135, 13490, 14060, 14200, 14800, 15200, 17575, 21016, 21584, 22496, 26270, 26980, 28120, 28400, 29600, 33725, 35150, 42032, 43168, 49913, 52540, 53960, 56240, 56800, 65675, 67450, 70300, 84064, 99826, 105080, 107920, 112480, 131350, 134900, 140600, 199652, 210160, 215840, 249565, 262700, 269800, 281200, 399304, 420320, 499130, 525400, 539600, 562400, 798608, 998260, 1050800, 1079200, 1247825, 1597216, 1996520, 2101600, 2495650, 3993040, 4991300, 7986080, 9982600, 19965200, 39930400]

約数ペア:

[(1, 39930400), (2, 19965200), (4, 9982600), (5, 7986080), (8, 4991300), (10, 3993040), (16, 2495650), (19, 2101600), (20, 1996520), (25, 1597216), (32, 1247825), (37, 1079200), (38, 1050800), (40, 998260), (50, 798608), (71, 562400), (74, 539600), (76, 525400), (80, 499130), (95, 420320), (100, 399304), (142, 281200), (148, 269800), (152, 262700), (160, 249565), (185, 215840), (190, 210160), (200, 199652), (284, 140600), (296, 134900), (304, 131350), (355, 112480), (370, 107920), (380, 105080), (400, 99826), (475, 84064), (568, 70300), (592, 67450), (608, 65675), (703, 56800), (710, 56240), (740, 53960), (760, 52540), (800, 49913), (925, 43168), (950, 42032), (1136, 35150), (1184, 33725), (1349, 29600), (1406, 28400), (1420, 28120), (1480, 26980), (1520, 26270), (1775, 22496), (1850, 21584), (1900, 21016), (2272, 17575), (2627, 15200), (2698, 14800), (2812, 14200), (2840, 14060), (2960, 13490), (3040, 13135), (3515, 11360), (3550, 11248), (3700, 10792), (3800, 10508), (5254, 7600), (5396, 7400), (5624, 7100), (5680, 7030), (5920, 6745)]