28165200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^2\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 180

約数和(自身を含む): 105171840

約数和(自身を除く): 77006640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 140, 147, 150, 168, 175, 196, 200, 210, 240, 245, 280, 294, 300, 336, 350, 392, 400, 420, 479, 490, 525, 560, 588, 600, 700, 735, 784, 840, 958, 980, 1050, 1176, 1200, 1225, 1400, 1437, 1470, 1680, 1916, 1960, 2100, 2352, 2395, 2450, 2800, 2874, 2940, 3353, 3675, 3832, 3920, 4200, 4790, 4900, 5748, 5880, 6706, 7185, 7350, 7664, 8400, 9580, 9800, 10059, 11496, 11760, 11975, 13412, 14370, 14700, 16765, 19160, 19600, 20118, 22992, 23471, 23950, 26824, 28740, 29400, 33530, 35925, 38320, 40236, 46942, 47900, 50295, 53648, 57480, 58800, 67060, 70413, 71850, 80472, 83825, 93884, 95800, 100590, 114960, 117355, 134120, 140826, 143700, 160944, 167650, 187768, 191600, 201180, 234710, 251475, 268240, 281652, 287400, 335300, 352065, 375536, 402360, 469420, 502950, 563304, 574800, 586775, 670600, 704130, 804720, 938840, 1005900, 1126608, 1173550, 1341200, 1408260, 1760325, 1877680, 2011800, 2347100, 2816520, 3520650, 4023600, 4694200, 5633040, 7041300, 9388400, 14082600, 28165200]

約数ペア:

[(1, 28165200), (2, 14082600), (3, 9388400), (4, 7041300), (5, 5633040), (6, 4694200), (7, 4023600), (8, 3520650), (10, 2816520), (12, 2347100), (14, 2011800), (15, 1877680), (16, 1760325), (20, 1408260), (21, 1341200), (24, 1173550), (25, 1126608), (28, 1005900), (30, 938840), (35, 804720), (40, 704130), (42, 670600), (48, 586775), (49, 574800), (50, 563304), (56, 502950), (60, 469420), (70, 402360), (75, 375536), (80, 352065), (84, 335300), (98, 287400), (100, 281652), (105, 268240), (112, 251475), (120, 234710), (140, 201180), (147, 191600), (150, 187768), (168, 167650), (175, 160944), (196, 143700), (200, 140826), (210, 134120), (240, 117355), (245, 114960), (280, 100590), (294, 95800), (300, 93884), (336, 83825), (350, 80472), (392, 71850), (400, 70413), (420, 67060), (479, 58800), (490, 57480), (525, 53648), (560, 50295), (588, 47900), (600, 46942), (700, 40236), (735, 38320), (784, 35925), (840, 33530), (958, 29400), (980, 28740), (1050, 26824), (1176, 23950), (1200, 23471), (1225, 22992), (1400, 20118), (1437, 19600), (1470, 19160), (1680, 16765), (1916, 14700), (1960, 14370), (2100, 13412), (2352, 11975), (2395, 11760), (2450, 11496), (2800, 10059), (2874, 9800), (2940, 9580), (3353, 8400), (3675, 7664), (3832, 7350), (3920, 7185), (4200, 6706), (4790, 5880), (4900, 5748)]