1390491900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{73571}}^1$

素因数の和:73601

約数の個数: 144

約数和(自身を含む): 5108839680

約数和(自身を除く): 3718347780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 18900, 73571, 147142, 220713, 294284, 367855, 441426, 514997, 662139, 735710, 882852, 1029994, 1103565, 1324278, 1471420, 1544991, 1839275, 1986417, 2059988, 2207130, 2574985, 2648556, 3089982, 3310695, 3678550, 3972834, 4414260, 4634973, 5149970, 5517825, 6179964, 6621390, 7357100, 7724955, 7945668, 9269946, 9932085, 10299940, 11035650, 12874925, 13242780, 13904919, 15449910, 16553475, 18539892, 19864170, 22071300, 23174865, 25749850, 27809838, 30899820, 33106950, 38624775, 39728340, 46349730, 49660425, 51499700, 55619676, 66213900, 69524595, 77249550, 92699460, 99320850, 115874325, 139049190, 154499100, 198641700, 231748650, 278098380, 347622975, 463497300, 695245950, 1390491900]

約数ペア:

[(1, 1390491900), (2, 695245950), (3, 463497300), (4, 347622975), (5, 278098380), (6, 231748650), (7, 198641700), (9, 154499100), (10, 139049190), (12, 115874325), (14, 99320850), (15, 92699460), (18, 77249550), (20, 69524595), (21, 66213900), (25, 55619676), (27, 51499700), (28, 49660425), (30, 46349730), (35, 39728340), (36, 38624775), (42, 33106950), (45, 30899820), (50, 27809838), (54, 25749850), (60, 23174865), (63, 22071300), (70, 19864170), (75, 18539892), (84, 16553475), (90, 15449910), (100, 13904919), (105, 13242780), (108, 12874925), (126, 11035650), (135, 10299940), (140, 9932085), (150, 9269946), (175, 7945668), (180, 7724955), (189, 7357100), (210, 6621390), (225, 6179964), (252, 5517825), (270, 5149970), (300, 4634973), (315, 4414260), (350, 3972834), (378, 3678550), (420, 3310695), (450, 3089982), (525, 2648556), (540, 2574985), (630, 2207130), (675, 2059988), (700, 1986417), (756, 1839275), (900, 1544991), (945, 1471420), (1050, 1324278), (1260, 1103565), (1350, 1029994), (1575, 882852), (1890, 735710), (2100, 662139), (2700, 514997), (3150, 441426), (3780, 367855), (4725, 294284), (6300, 220713), (9450, 147142), (18900, 73571)]