328564220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 700872480

約数和(自身を除く): 372308260

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 257, 388, 485, 514, 659, 970, 1028, 1285, 1318, 1940, 2570, 2636, 3295, 5140, 6590, 13180, 24929, 49858, 63923, 99716, 124645, 127846, 169363, 249290, 255692, 319615, 338726, 498580, 639230, 677452, 846815, 1278460, 1693630, 3387260, 16428211, 32856422, 65712844, 82141055, 164282110, 328564220]

約数ペア:

[(1, 328564220), (2, 164282110), (4, 82141055), (5, 65712844), (10, 32856422), (20, 16428211), (97, 3387260), (194, 1693630), (257, 1278460), (388, 846815), (485, 677452), (514, 639230), (659, 498580), (970, 338726), (1028, 319615), (1285, 255692), (1318, 249290), (1940, 169363), (2570, 127846), (2636, 124645), (3295, 99716), (5140, 63923), (6590, 49858), (13180, 24929)]