248835020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 634099200

約数和(自身を除く): 385264180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 139, 140, 190, 266, 278, 380, 532, 556, 665, 673, 695, 973, 1330, 1346, 1390, 1946, 2641, 2660, 2692, 2780, 3365, 3892, 4711, 4865, 5282, 6730, 9422, 9730, 10564, 12787, 13205, 13460, 18487, 18844, 19460, 23555, 25574, 26410, 36974, 47110, 51148, 52820, 63935, 73948, 89509, 92435, 93547, 94220, 127870, 179018, 184870, 187094, 255740, 358036, 369740, 374188, 447545, 467735, 654829, 895090, 935470, 1309658, 1777393, 1790180, 1870940, 2619316, 3274145, 3554786, 6548290, 7109572, 8886965, 12441751, 13096580, 17773930, 24883502, 35547860, 49767004, 62208755, 124417510, 248835020]

約数ペア:

[(1, 248835020), (2, 124417510), (4, 62208755), (5, 49767004), (7, 35547860), (10, 24883502), (14, 17773930), (19, 13096580), (20, 12441751), (28, 8886965), (35, 7109572), (38, 6548290), (70, 3554786), (76, 3274145), (95, 2619316), (133, 1870940), (139, 1790180), (140, 1777393), (190, 1309658), (266, 935470), (278, 895090), (380, 654829), (532, 467735), (556, 447545), (665, 374188), (673, 369740), (695, 358036), (973, 255740), (1330, 187094), (1346, 184870), (1390, 179018), (1946, 127870), (2641, 94220), (2660, 93547), (2692, 92435), (2780, 89509), (3365, 73948), (3892, 63935), (4711, 52820), (4865, 51148), (5282, 47110), (6730, 36974), (9422, 26410), (9730, 25574), (10564, 23555), (12787, 19460), (13205, 18844), (13460, 18487)]