39401820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 129336480

約数和(自身を除く): 89934660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 281, 285, 342, 369, 380, 410, 492, 562, 570, 615, 684, 738, 779, 820, 843, 855, 1124, 1140, 1230, 1405, 1476, 1558, 1686, 1710, 1845, 2337, 2460, 2529, 2810, 3116, 3372, 3420, 3690, 3895, 4215, 4674, 5058, 5339, 5620, 7011, 7380, 7790, 8430, 9348, 10116, 10678, 11521, 11685, 12645, 14022, 15580, 16017, 16860, 21356, 23042, 23370, 25290, 26695, 28044, 32034, 34563, 35055, 46084, 46740, 48051, 50580, 53390, 57605, 64068, 69126, 70110, 80085, 96102, 103689, 106780, 115210, 138252, 140220, 160170, 172815, 192204, 207378, 218899, 230420, 240255, 320340, 345630, 414756, 437798, 480510, 518445, 656697, 691260, 875596, 961020, 1036890, 1094495, 1313394, 1970091, 2073780, 2188990, 2626788, 3283485, 3940182, 4377980, 6566970, 7880364, 9850455, 13133940, 19700910, 39401820]

約数ペア:

[(1, 39401820), (2, 19700910), (3, 13133940), (4, 9850455), (5, 7880364), (6, 6566970), (9, 4377980), (10, 3940182), (12, 3283485), (15, 2626788), (18, 2188990), (19, 2073780), (20, 1970091), (30, 1313394), (36, 1094495), (38, 1036890), (41, 961020), (45, 875596), (57, 691260), (60, 656697), (76, 518445), (82, 480510), (90, 437798), (95, 414756), (114, 345630), (123, 320340), (164, 240255), (171, 230420), (180, 218899), (190, 207378), (205, 192204), (228, 172815), (246, 160170), (281, 140220), (285, 138252), (342, 115210), (369, 106780), (380, 103689), (410, 96102), (492, 80085), (562, 70110), (570, 69126), (615, 64068), (684, 57605), (738, 53390), (779, 50580), (820, 48051), (843, 46740), (855, 46084), (1124, 35055), (1140, 34563), (1230, 32034), (1405, 28044), (1476, 26695), (1558, 25290), (1686, 23370), (1710, 23042), (1845, 21356), (2337, 16860), (2460, 16017), (2529, 15580), (2810, 14022), (3116, 12645), (3372, 11685), (3420, 11521), (3690, 10678), (3895, 10116), (4215, 9348), (4674, 8430), (5058, 7790), (5339, 7380), (5620, 7011)]