42684880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10889}}^1$

素因数の和:10916

約数の個数: 60

約数和(自身を含む): 115455780

約数和(自身を除く): 72770900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10889, 21778, 43556, 54445, 76223, 87112, 108890, 152446, 174224, 217780, 304892, 381115, 435560, 533561, 609784, 762230, 871120, 1067122, 1219568, 1524460, 2134244, 2667805, 3048920, 4268488, 5335610, 6097840, 8536976, 10671220, 21342440, 42684880]

約数ペア:

[(1, 42684880), (2, 21342440), (4, 10671220), (5, 8536976), (7, 6097840), (8, 5335610), (10, 4268488), (14, 3048920), (16, 2667805), (20, 2134244), (28, 1524460), (35, 1219568), (40, 1067122), (49, 871120), (56, 762230), (70, 609784), (80, 533561), (98, 435560), (112, 381115), (140, 304892), (196, 217780), (245, 174224), (280, 152446), (392, 108890), (490, 87112), (560, 76223), (784, 54445), (980, 43556), (1960, 21778), (3920, 10889)]