79407440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 219843072

約数和(自身を除く): 140435632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 431, 470, 490, 560, 658, 752, 784, 862, 940, 980, 1316, 1645, 1724, 1880, 1960, 2155, 2303, 2632, 3017, 3290, 3448, 3760, 3920, 4310, 4606, 5264, 6034, 6580, 6896, 8620, 9212, 11515, 12068, 13160, 15085, 17240, 18424, 20257, 21119, 23030, 24136, 26320, 30170, 34480, 36848, 40514, 42238, 46060, 48272, 60340, 81028, 84476, 92120, 101285, 105595, 120680, 141799, 162056, 168952, 184240, 202570, 211190, 241360, 283598, 324112, 337904, 405140, 422380, 567196, 708995, 810280, 844760, 992593, 1134392, 1417990, 1620560, 1689520, 1985186, 2268784, 2835980, 3970372, 4962965, 5671960, 7940744, 9925930, 11343920, 15881488, 19851860, 39703720, 79407440]

約数ペア:

[(1, 79407440), (2, 39703720), (4, 19851860), (5, 15881488), (7, 11343920), (8, 9925930), (10, 7940744), (14, 5671960), (16, 4962965), (20, 3970372), (28, 2835980), (35, 2268784), (40, 1985186), (47, 1689520), (49, 1620560), (56, 1417990), (70, 1134392), (80, 992593), (94, 844760), (98, 810280), (112, 708995), (140, 567196), (188, 422380), (196, 405140), (235, 337904), (245, 324112), (280, 283598), (329, 241360), (376, 211190), (392, 202570), (431, 184240), (470, 168952), (490, 162056), (560, 141799), (658, 120680), (752, 105595), (784, 101285), (862, 92120), (940, 84476), (980, 81028), (1316, 60340), (1645, 48272), (1724, 46060), (1880, 42238), (1960, 40514), (2155, 36848), (2303, 34480), (2632, 30170), (3017, 26320), (3290, 24136), (3448, 23030), (3760, 21119), (3920, 20257), (4310, 18424), (4606, 17240), (5264, 15085), (6034, 13160), (6580, 12068), (6896, 11515), (8620, 9212)]