42778500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 133136640

約数和(自身を除く): 90358140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 79, 95, 100, 114, 125, 150, 158, 190, 228, 237, 250, 285, 300, 316, 361, 375, 380, 395, 474, 475, 500, 570, 722, 750, 790, 948, 950, 1083, 1140, 1185, 1425, 1444, 1500, 1501, 1580, 1805, 1900, 1975, 2166, 2370, 2375, 2850, 3002, 3610, 3950, 4332, 4503, 4740, 4750, 5415, 5700, 5925, 6004, 7125, 7220, 7505, 7900, 9006, 9025, 9500, 9875, 10830, 11850, 14250, 15010, 18012, 18050, 19750, 21660, 22515, 23700, 27075, 28500, 28519, 29625, 30020, 36100, 37525, 39500, 45030, 45125, 54150, 57038, 59250, 75050, 85557, 90060, 90250, 108300, 112575, 114076, 118500, 135375, 142595, 150100, 171114, 180500, 187625, 225150, 270750, 285190, 342228, 375250, 427785, 450300, 541500, 562875, 570380, 712975, 750500, 855570, 1125750, 1425950, 1711140, 2138925, 2251500, 2851900, 3564875, 4277850, 7129750, 8555700, 10694625, 14259500, 21389250, 42778500]

約数ペア:

[(1, 42778500), (2, 21389250), (3, 14259500), (4, 10694625), (5, 8555700), (6, 7129750), (10, 4277850), (12, 3564875), (15, 2851900), (19, 2251500), (20, 2138925), (25, 1711140), (30, 1425950), (38, 1125750), (50, 855570), (57, 750500), (60, 712975), (75, 570380), (76, 562875), (79, 541500), (95, 450300), (100, 427785), (114, 375250), (125, 342228), (150, 285190), (158, 270750), (190, 225150), (228, 187625), (237, 180500), (250, 171114), (285, 150100), (300, 142595), (316, 135375), (361, 118500), (375, 114076), (380, 112575), (395, 108300), (474, 90250), (475, 90060), (500, 85557), (570, 75050), (722, 59250), (750, 57038), (790, 54150), (948, 45125), (950, 45030), (1083, 39500), (1140, 37525), (1185, 36100), (1425, 30020), (1444, 29625), (1500, 28519), (1501, 28500), (1580, 27075), (1805, 23700), (1900, 22515), (1975, 21660), (2166, 19750), (2370, 18050), (2375, 18012), (2850, 15010), (3002, 14250), (3610, 11850), (3950, 10830), (4332, 9875), (4503, 9500), (4740, 9025), (4750, 9006), (5415, 7900), (5700, 7505), (5925, 7220), (6004, 7125)]