42400400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:841

約数の個数: 120

約数和(自身を含む): 122700480

約数和(自身を除く): 80300080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 266, 280, 304, 350, 380, 400, 475, 532, 560, 665, 700, 760, 797, 950, 1064, 1330, 1400, 1520, 1594, 1900, 2128, 2660, 2800, 3188, 3325, 3800, 3985, 5320, 5579, 6376, 6650, 7600, 7970, 10640, 11158, 12752, 13300, 15143, 15940, 19925, 22316, 26600, 27895, 30286, 31880, 39850, 44632, 53200, 55790, 60572, 63760, 75715, 79700, 89264, 106001, 111580, 121144, 139475, 151430, 159400, 212002, 223160, 242288, 278950, 302860, 318800, 378575, 424004, 446320, 530005, 557900, 605720, 757150, 848008, 1060010, 1115800, 1211440, 1514300, 1696016, 2120020, 2231600, 2650025, 3028600, 4240040, 5300050, 6057200, 8480080, 10600100, 21200200, 42400400]

約数ペア:

[(1, 42400400), (2, 21200200), (4, 10600100), (5, 8480080), (7, 6057200), (8, 5300050), (10, 4240040), (14, 3028600), (16, 2650025), (19, 2231600), (20, 2120020), (25, 1696016), (28, 1514300), (35, 1211440), (38, 1115800), (40, 1060010), (50, 848008), (56, 757150), (70, 605720), (76, 557900), (80, 530005), (95, 446320), (100, 424004), (112, 378575), (133, 318800), (140, 302860), (152, 278950), (175, 242288), (190, 223160), (200, 212002), (266, 159400), (280, 151430), (304, 139475), (350, 121144), (380, 111580), (400, 106001), (475, 89264), (532, 79700), (560, 75715), (665, 63760), (700, 60572), (760, 55790), (797, 53200), (950, 44632), (1064, 39850), (1330, 31880), (1400, 30286), (1520, 27895), (1594, 26600), (1900, 22316), (2128, 19925), (2660, 15940), (2800, 15143), (3188, 13300), (3325, 12752), (3800, 11158), (3985, 10640), (5320, 7970), (5579, 7600), (6376, 6650)]