31410400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 89994240

約数和(自身を除く): 58583840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 79, 80, 100, 112, 140, 142, 158, 160, 175, 200, 224, 280, 284, 316, 350, 355, 395, 400, 497, 553, 560, 568, 632, 700, 710, 790, 800, 994, 1106, 1120, 1136, 1264, 1400, 1420, 1580, 1775, 1975, 1988, 2212, 2272, 2485, 2528, 2765, 2800, 2840, 3160, 3550, 3950, 3976, 4424, 4970, 5530, 5600, 5609, 5680, 6320, 7100, 7900, 7952, 8848, 9940, 11060, 11218, 11360, 12425, 12640, 13825, 14200, 15800, 15904, 17696, 19880, 22120, 22436, 24850, 27650, 28045, 28400, 31600, 39263, 39760, 44240, 44872, 49700, 55300, 56090, 56800, 63200, 78526, 79520, 88480, 89744, 99400, 110600, 112180, 140225, 157052, 179488, 196315, 198800, 221200, 224360, 280450, 314104, 392630, 397600, 442400, 448720, 560900, 628208, 785260, 897440, 981575, 1121800, 1256416, 1570520, 1963150, 2243600, 3141040, 3926300, 4487200, 6282080, 7852600, 15705200, 31410400]

約数ペア:

[(1, 31410400), (2, 15705200), (4, 7852600), (5, 6282080), (7, 4487200), (8, 3926300), (10, 3141040), (14, 2243600), (16, 1963150), (20, 1570520), (25, 1256416), (28, 1121800), (32, 981575), (35, 897440), (40, 785260), (50, 628208), (56, 560900), (70, 448720), (71, 442400), (79, 397600), (80, 392630), (100, 314104), (112, 280450), (140, 224360), (142, 221200), (158, 198800), (160, 196315), (175, 179488), (200, 157052), (224, 140225), (280, 112180), (284, 110600), (316, 99400), (350, 89744), (355, 88480), (395, 79520), (400, 78526), (497, 63200), (553, 56800), (560, 56090), (568, 55300), (632, 49700), (700, 44872), (710, 44240), (790, 39760), (800, 39263), (994, 31600), (1106, 28400), (1120, 28045), (1136, 27650), (1264, 24850), (1400, 22436), (1420, 22120), (1580, 19880), (1775, 17696), (1975, 15904), (1988, 15800), (2212, 14200), (2272, 13825), (2485, 12640), (2528, 12425), (2765, 11360), (2800, 11218), (2840, 11060), (3160, 9940), (3550, 8848), (3950, 7952), (3976, 7900), (4424, 7100), (4970, 6320), (5530, 5680), (5600, 5609)]