210423040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5303}}^1$

素因数の和:5355

約数の個数: 72

約数和(自身を含む): 520386048

約数和(自身を除く): 309963008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5303, 7936, 9920, 10606, 19840, 21212, 26515, 39680, 42424, 53030, 84848, 106060, 164393, 169696, 212120, 328786, 339392, 424240, 657572, 678784, 821965, 848480, 1315144, 1357568, 1643930, 1696960, 2630288, 3287860, 3393920, 5260576, 6575720, 6787840, 10521152, 13151440, 21042304, 26302880, 42084608, 52605760, 105211520, 210423040]

約数ペア:

[(1, 210423040), (2, 105211520), (4, 52605760), (5, 42084608), (8, 26302880), (10, 21042304), (16, 13151440), (20, 10521152), (31, 6787840), (32, 6575720), (40, 5260576), (62, 3393920), (64, 3287860), (80, 2630288), (124, 1696960), (128, 1643930), (155, 1357568), (160, 1315144), (248, 848480), (256, 821965), (310, 678784), (320, 657572), (496, 424240), (620, 339392), (640, 328786), (992, 212120), (1240, 169696), (1280, 164393), (1984, 106060), (2480, 84848), (3968, 53030), (4960, 42424), (5303, 39680), (7936, 26515), (9920, 21212), (10606, 19840)]