28307510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 36043210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 97, 110, 154, 194, 379, 385, 485, 679, 758, 770, 970, 1067, 1358, 1895, 2134, 2653, 3395, 3790, 4169, 5306, 5335, 6790, 7469, 8338, 10670, 13265, 14938, 20845, 26530, 29183, 36763, 37345, 41690, 58366, 73526, 74690, 145915, 183815, 257341, 291830, 367630, 404393, 514682, 808786, 1286705, 2021965, 2573410, 2830751, 4043930, 5661502, 14153755, 28307510]

約数ペア:

[(1, 28307510), (2, 14153755), (5, 5661502), (7, 4043930), (10, 2830751), (11, 2573410), (14, 2021965), (22, 1286705), (35, 808786), (55, 514682), (70, 404393), (77, 367630), (97, 291830), (110, 257341), (154, 183815), (194, 145915), (379, 74690), (385, 73526), (485, 58366), (679, 41690), (758, 37345), (770, 36763), (970, 29183), (1067, 26530), (1358, 20845), (1895, 14938), (2134, 13265), (2653, 10670), (3395, 8338), (3790, 7469), (4169, 6790), (5306, 5335)]