305360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 776736

約数和(自身を除く): 471376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 347, 440, 694, 880, 1388, 1735, 2776, 3470, 3817, 5552, 6940, 7634, 13880, 15268, 19085, 27760, 30536, 38170, 61072, 76340, 152680, 305360]

約数ペア:

[(1, 305360), (2, 152680), (4, 76340), (5, 61072), (8, 38170), (10, 30536), (11, 27760), (16, 19085), (20, 15268), (22, 13880), (40, 7634), (44, 6940), (55, 5552), (80, 3817), (88, 3470), (110, 2776), (176, 1735), (220, 1388), (347, 880), (440, 694)]