38908240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 112921344

約数和(自身を除く): 74013104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 61, 67, 68, 70, 80, 85, 112, 119, 122, 134, 136, 140, 170, 238, 244, 268, 272, 280, 305, 335, 340, 427, 469, 476, 488, 536, 560, 595, 610, 670, 680, 854, 938, 952, 976, 1037, 1072, 1139, 1190, 1220, 1340, 1360, 1708, 1876, 1904, 2074, 2135, 2278, 2345, 2380, 2440, 2680, 3416, 3752, 4087, 4148, 4270, 4556, 4690, 4760, 4880, 5185, 5360, 5695, 6832, 7259, 7504, 7973, 8174, 8296, 8540, 9112, 9380, 9520, 10370, 11390, 14518, 15946, 16348, 16592, 17080, 18224, 18760, 20435, 20740, 22780, 28609, 29036, 31892, 32696, 34160, 36295, 37520, 39865, 40870, 41480, 45560, 57218, 58072, 63784, 65392, 69479, 72590, 79730, 81740, 82960, 91120, 114436, 116144, 127568, 138958, 143045, 145180, 159460, 163480, 228872, 277916, 286090, 290360, 318920, 326960, 347395, 457744, 486353, 555832, 572180, 580720, 637840, 694790, 972706, 1111664, 1144360, 1389580, 1945412, 2288720, 2431765, 2779160, 3890824, 4863530, 5558320, 7781648, 9727060, 19454120, 38908240]

約数ペア:

[(1, 38908240), (2, 19454120), (4, 9727060), (5, 7781648), (7, 5558320), (8, 4863530), (10, 3890824), (14, 2779160), (16, 2431765), (17, 2288720), (20, 1945412), (28, 1389580), (34, 1144360), (35, 1111664), (40, 972706), (56, 694790), (61, 637840), (67, 580720), (68, 572180), (70, 555832), (80, 486353), (85, 457744), (112, 347395), (119, 326960), (122, 318920), (134, 290360), (136, 286090), (140, 277916), (170, 228872), (238, 163480), (244, 159460), (268, 145180), (272, 143045), (280, 138958), (305, 127568), (335, 116144), (340, 114436), (427, 91120), (469, 82960), (476, 81740), (488, 79730), (536, 72590), (560, 69479), (595, 65392), (610, 63784), (670, 58072), (680, 57218), (854, 45560), (938, 41480), (952, 40870), (976, 39865), (1037, 37520), (1072, 36295), (1139, 34160), (1190, 32696), (1220, 31892), (1340, 29036), (1360, 28609), (1708, 22780), (1876, 20740), (1904, 20435), (2074, 18760), (2135, 18224), (2278, 17080), (2345, 16592), (2380, 16348), (2440, 15946), (2680, 14518), (3416, 11390), (3752, 10370), (4087, 9520), (4148, 9380), (4270, 9112), (4556, 8540), (4690, 8296), (4760, 8174), (4880, 7973), (5185, 7504), (5360, 7259), (5695, 6832)]