31376800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 63117152

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 400, 416, 431, 455, 520, 560, 650, 700, 728, 800, 862, 910, 1040, 1120, 1300, 1400, 1456, 1724, 1820, 2080, 2155, 2275, 2600, 2800, 2912, 3017, 3448, 3640, 4310, 4550, 5200, 5600, 5603, 6034, 6896, 7280, 8620, 9100, 10400, 10775, 11206, 12068, 13792, 14560, 15085, 17240, 18200, 21550, 22412, 24136, 28015, 30170, 34480, 36400, 39221, 43100, 44824, 48272, 56030, 60340, 68960, 72800, 75425, 78442, 86200, 89648, 96544, 112060, 120680, 140075, 150850, 156884, 172400, 179296, 196105, 224120, 241360, 280150, 301700, 313768, 344800, 392210, 448240, 482720, 560300, 603400, 627536, 784420, 896480, 980525, 1120600, 1206800, 1255072, 1568840, 1961050, 2241200, 2413600, 3137680, 3922100, 4482400, 6275360, 7844200, 15688400, 31376800]

約数ペア:

[(1, 31376800), (2, 15688400), (4, 7844200), (5, 6275360), (7, 4482400), (8, 3922100), (10, 3137680), (13, 2413600), (14, 2241200), (16, 1961050), (20, 1568840), (25, 1255072), (26, 1206800), (28, 1120600), (32, 980525), (35, 896480), (40, 784420), (50, 627536), (52, 603400), (56, 560300), (65, 482720), (70, 448240), (80, 392210), (91, 344800), (100, 313768), (104, 301700), (112, 280150), (130, 241360), (140, 224120), (160, 196105), (175, 179296), (182, 172400), (200, 156884), (208, 150850), (224, 140075), (260, 120680), (280, 112060), (325, 96544), (350, 89648), (364, 86200), (400, 78442), (416, 75425), (431, 72800), (455, 68960), (520, 60340), (560, 56030), (650, 48272), (700, 44824), (728, 43100), (800, 39221), (862, 36400), (910, 34480), (1040, 30170), (1120, 28015), (1300, 24136), (1400, 22412), (1456, 21550), (1724, 18200), (1820, 17240), (2080, 15085), (2155, 14560), (2275, 13792), (2600, 12068), (2800, 11206), (2912, 10775), (3017, 10400), (3448, 9100), (3640, 8620), (4310, 7280), (4550, 6896), (5200, 6034), (5600, 5603)]