28038600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 96937620

約数和(自身を除く): 68899020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 37, 40, 45, 50, 60, 72, 74, 75, 90, 100, 111, 120, 148, 150, 180, 185, 200, 222, 225, 296, 300, 333, 360, 370, 421, 444, 450, 555, 600, 666, 740, 842, 888, 900, 925, 1110, 1263, 1332, 1480, 1665, 1684, 1800, 1850, 2105, 2220, 2526, 2664, 2775, 3330, 3368, 3700, 3789, 4210, 4440, 5052, 5550, 6315, 6660, 7400, 7578, 8325, 8420, 10104, 10525, 11100, 12630, 13320, 15156, 15577, 16650, 16840, 18945, 21050, 22200, 25260, 30312, 31154, 31575, 33300, 37890, 42100, 46731, 50520, 62308, 63150, 66600, 75780, 77885, 84200, 93462, 94725, 124616, 126300, 140193, 151560, 155770, 186924, 189450, 233655, 252600, 280386, 311540, 373848, 378900, 389425, 467310, 560772, 623080, 700965, 757800, 778850, 934620, 1121544, 1168275, 1401930, 1557700, 1869240, 2336550, 2803860, 3115400, 3504825, 4673100, 5607720, 7009650, 9346200, 14019300, 28038600]

約数ペア:

[(1, 28038600), (2, 14019300), (3, 9346200), (4, 7009650), (5, 5607720), (6, 4673100), (8, 3504825), (9, 3115400), (10, 2803860), (12, 2336550), (15, 1869240), (18, 1557700), (20, 1401930), (24, 1168275), (25, 1121544), (30, 934620), (36, 778850), (37, 757800), (40, 700965), (45, 623080), (50, 560772), (60, 467310), (72, 389425), (74, 378900), (75, 373848), (90, 311540), (100, 280386), (111, 252600), (120, 233655), (148, 189450), (150, 186924), (180, 155770), (185, 151560), (200, 140193), (222, 126300), (225, 124616), (296, 94725), (300, 93462), (333, 84200), (360, 77885), (370, 75780), (421, 66600), (444, 63150), (450, 62308), (555, 50520), (600, 46731), (666, 42100), (740, 37890), (842, 33300), (888, 31575), (900, 31154), (925, 30312), (1110, 25260), (1263, 22200), (1332, 21050), (1480, 18945), (1665, 16840), (1684, 16650), (1800, 15577), (1850, 15156), (2105, 13320), (2220, 12630), (2526, 11100), (2664, 10525), (2775, 10104), (3330, 8420), (3368, 8325), (3700, 7578), (3789, 7400), (4210, 6660), (4440, 6315), (5052, 5550)]