85734320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21871}}^1$

素因数の和:21898

約数の個数: 60

約数和(自身を含む): 231886944

約数和(自身を除く): 146152624

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, 21871, 43742, 87484, 109355, 153097, 174968, 218710, 306194, 349936, 437420, 612388, 765485, 874840, 1071679, 1224776, 1530970, 1749680, 2143358, 2449552, 3061940, 4286716, 5358395, 6123880, 8573432, 10716790, 12247760, 17146864, 21433580, 42867160, 85734320]

約数ペア:

[(1, 85734320), (2, 42867160), (4, 21433580), (5, 17146864), (7, 12247760), (8, 10716790), (10, 8573432), (14, 6123880), (16, 5358395), (20, 4286716), (28, 3061940), (35, 2449552), (40, 2143358), (49, 1749680), (56, 1530970), (70, 1224776), (80, 1071679), (98, 874840), (112, 765485), (140, 612388), (196, 437420), (245, 349936), (280, 306194), (392, 218710), (490, 174968), (560, 153097), (784, 109355), (980, 87484), (1960, 43742), (3920, 21871)]