306615890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71807}}^1$

素因数の和:71882

約数の個数: 32

約数和(自身を含む): 641101824

約数和(自身を除く): 334485934

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 71807, 143614, 359035, 502649, 718070, 1005298, 2513245, 4380227, 5026490, 8760454, 21901135, 30661589, 43802270, 61323178, 153307945, 306615890]

約数ペア:

[(1, 306615890), (2, 153307945), (5, 61323178), (7, 43802270), (10, 30661589), (14, 21901135), (35, 8760454), (61, 5026490), (70, 4380227), (122, 2513245), (305, 1005298), (427, 718070), (610, 502649), (854, 359035), (2135, 143614), (4270, 71807)]