201727960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{991}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 519966720

約数和(自身を除く): 318238760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 727, 991, 1454, 1982, 2908, 3635, 3964, 4955, 5089, 5816, 6937, 7270, 7928, 9910, 10178, 13874, 14540, 19820, 20356, 25445, 27748, 29080, 34685, 39640, 40712, 50890, 55496, 69370, 101780, 138740, 203560, 277480, 720457, 1440914, 2881828, 3602285, 5043199, 5763656, 7204570, 10086398, 14409140, 20172796, 25215995, 28818280, 40345592, 50431990, 100863980, 201727960]

約数ペア:

[(1, 201727960), (2, 100863980), (4, 50431990), (5, 40345592), (7, 28818280), (8, 25215995), (10, 20172796), (14, 14409140), (20, 10086398), (28, 7204570), (35, 5763656), (40, 5043199), (56, 3602285), (70, 2881828), (140, 1440914), (280, 720457), (727, 277480), (991, 203560), (1454, 138740), (1982, 101780), (2908, 69370), (3635, 55496), (3964, 50890), (4955, 40712), (5089, 39640), (5816, 34685), (6937, 29080), (7270, 27748), (7928, 25445), (9910, 20356), (10178, 19820), (13874, 14540)]