203434420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 511660800

約数和(自身を除く): 308226380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 89, 116, 140, 145, 178, 203, 290, 356, 406, 445, 563, 580, 623, 812, 890, 1015, 1126, 1246, 1780, 2030, 2252, 2492, 2581, 2815, 3115, 3941, 4060, 5162, 5630, 6230, 7882, 10324, 11260, 12460, 12905, 15764, 16327, 18067, 19705, 25810, 32654, 36134, 39410, 50107, 51620, 65308, 72268, 78820, 81635, 90335, 100214, 114289, 163270, 180670, 200428, 228578, 250535, 326540, 350749, 361340, 457156, 501070, 571445, 701498, 1002140, 1142890, 1402996, 1453103, 1753745, 2285780, 2906206, 3507490, 5812412, 7014980, 7265515, 10171721, 14531030, 20343442, 29062060, 40686884, 50858605, 101717210, 203434420]

約数ペア:

[(1, 203434420), (2, 101717210), (4, 50858605), (5, 40686884), (7, 29062060), (10, 20343442), (14, 14531030), (20, 10171721), (28, 7265515), (29, 7014980), (35, 5812412), (58, 3507490), (70, 2906206), (89, 2285780), (116, 1753745), (140, 1453103), (145, 1402996), (178, 1142890), (203, 1002140), (290, 701498), (356, 571445), (406, 501070), (445, 457156), (563, 361340), (580, 350749), (623, 326540), (812, 250535), (890, 228578), (1015, 200428), (1126, 180670), (1246, 163270), (1780, 114289), (2030, 100214), (2252, 90335), (2492, 81635), (2581, 78820), (2815, 72268), (3115, 65308), (3941, 51620), (4060, 50107), (5162, 39410), (5630, 36134), (6230, 32654), (7882, 25810), (10324, 19705), (11260, 18067), (12460, 16327), (12905, 15764)]