51615400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 137044800

約数和(自身を除く): 85429400

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 47, 50, 68, 76, 85, 94, 95, 100, 136, 152, 170, 188, 190, 200, 235, 289, 323, 340, 376, 380, 425, 470, 475, 578, 646, 680, 760, 799, 850, 893, 940, 950, 1156, 1175, 1292, 1445, 1598, 1615, 1700, 1786, 1880, 1900, 2312, 2350, 2584, 2890, 3196, 3230, 3400, 3572, 3800, 3995, 4465, 4700, 5491, 5780, 6392, 6460, 7144, 7225, 7990, 8075, 8930, 9400, 10982, 11560, 12920, 13583, 14450, 15181, 15980, 16150, 17860, 19975, 21964, 22325, 27166, 27455, 28900, 30362, 31960, 32300, 35720, 39950, 43928, 44650, 54332, 54910, 57800, 60724, 64600, 67915, 75905, 79900, 89300, 108664, 109820, 121448, 135830, 137275, 151810, 159800, 178600, 219640, 258077, 271660, 274550, 303620, 339575, 379525, 516154, 543320, 549100, 607240, 679150, 759050, 1032308, 1098200, 1290385, 1358300, 1518100, 2064616, 2580770, 2716600, 3036200, 5161540, 6451925, 10323080, 12903850, 25807700, 51615400]

約数ペア:

[(1, 51615400), (2, 25807700), (4, 12903850), (5, 10323080), (8, 6451925), (10, 5161540), (17, 3036200), (19, 2716600), (20, 2580770), (25, 2064616), (34, 1518100), (38, 1358300), (40, 1290385), (47, 1098200), (50, 1032308), (68, 759050), (76, 679150), (85, 607240), (94, 549100), (95, 543320), (100, 516154), (136, 379525), (152, 339575), (170, 303620), (188, 274550), (190, 271660), (200, 258077), (235, 219640), (289, 178600), (323, 159800), (340, 151810), (376, 137275), (380, 135830), (425, 121448), (470, 109820), (475, 108664), (578, 89300), (646, 79900), (680, 75905), (760, 67915), (799, 64600), (850, 60724), (893, 57800), (940, 54910), (950, 54332), (1156, 44650), (1175, 43928), (1292, 39950), (1445, 35720), (1598, 32300), (1615, 31960), (1700, 30362), (1786, 28900), (1880, 27455), (1900, 27166), (2312, 22325), (2350, 21964), (2584, 19975), (2890, 17860), (3196, 16150), (3230, 15980), (3400, 15181), (3572, 14450), (3800, 13583), (3995, 12920), (4465, 11560), (4700, 10982), (5491, 9400), (5780, 8930), (6392, 8075), (6460, 7990), (7144, 7225)]