1898100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 6596800

約数和(自身を除く): 4698700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 37, 38, 45, 50, 54, 57, 60, 74, 75, 76, 90, 95, 100, 108, 111, 114, 135, 148, 150, 171, 180, 185, 190, 222, 225, 228, 270, 285, 300, 333, 342, 370, 380, 444, 450, 475, 513, 540, 555, 570, 666, 675, 684, 703, 740, 855, 900, 925, 950, 999, 1026, 1110, 1140, 1332, 1350, 1406, 1425, 1665, 1710, 1850, 1900, 1998, 2052, 2109, 2220, 2565, 2700, 2775, 2812, 2850, 3330, 3420, 3515, 3700, 3996, 4218, 4275, 4995, 5130, 5550, 5700, 6327, 6660, 7030, 8325, 8436, 8550, 9990, 10260, 10545, 11100, 12654, 12825, 14060, 16650, 17100, 17575, 18981, 19980, 21090, 24975, 25308, 25650, 31635, 33300, 35150, 37962, 42180, 49950, 51300, 52725, 63270, 70300, 75924, 94905, 99900, 105450, 126540, 158175, 189810, 210900, 316350, 379620, 474525, 632700, 949050, 1898100]

約数ペア:

[(1, 1898100), (2, 949050), (3, 632700), (4, 474525), (5, 379620), (6, 316350), (9, 210900), (10, 189810), (12, 158175), (15, 126540), (18, 105450), (19, 99900), (20, 94905), (25, 75924), (27, 70300), (30, 63270), (36, 52725), (37, 51300), (38, 49950), (45, 42180), (50, 37962), (54, 35150), (57, 33300), (60, 31635), (74, 25650), (75, 25308), (76, 24975), (90, 21090), (95, 19980), (100, 18981), (108, 17575), (111, 17100), (114, 16650), (135, 14060), (148, 12825), (150, 12654), (171, 11100), (180, 10545), (185, 10260), (190, 9990), (222, 8550), (225, 8436), (228, 8325), (270, 7030), (285, 6660), (300, 6327), (333, 5700), (342, 5550), (370, 5130), (380, 4995), (444, 4275), (450, 4218), (475, 3996), (513, 3700), (540, 3515), (555, 3420), (570, 3330), (666, 2850), (675, 2812), (684, 2775), (703, 2700), (740, 2565), (855, 2220), (900, 2109), (925, 2052), (950, 1998), (999, 1900), (1026, 1850), (1110, 1710), (1140, 1665), (1332, 1425), (1350, 1406)]