278510148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2963}}^1$

素因数の和:3353

約数の個数: 72

約数和(自身を含む): 807014208

約数和(自身を除く): 528504060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 373, 746, 1119, 1492, 2238, 2611, 2963, 3357, 4476, 5222, 5926, 6714, 7833, 8889, 10444, 11852, 13428, 15666, 17778, 20741, 23499, 26667, 31332, 35556, 41482, 46998, 53334, 62223, 82964, 93996, 106668, 124446, 186669, 248892, 373338, 746676, 1105199, 2210398, 3315597, 4420796, 6631194, 7736393, 9946791, 13262388, 15472786, 19893582, 23209179, 30945572, 39787164, 46418358, 69627537, 92836716, 139255074, 278510148]

約数ペア:

[(1, 278510148), (2, 139255074), (3, 92836716), (4, 69627537), (6, 46418358), (7, 39787164), (9, 30945572), (12, 23209179), (14, 19893582), (18, 15472786), (21, 13262388), (28, 9946791), (36, 7736393), (42, 6631194), (63, 4420796), (84, 3315597), (126, 2210398), (252, 1105199), (373, 746676), (746, 373338), (1119, 248892), (1492, 186669), (2238, 124446), (2611, 106668), (2963, 93996), (3357, 82964), (4476, 62223), (5222, 53334), (5926, 46998), (6714, 41482), (7833, 35556), (8889, 31332), (10444, 26667), (11852, 23499), (13428, 20741), (15666, 17778)]