328778870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 704249856

約数和(自身を除く): 375470986

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 127, 155, 217, 254, 310, 434, 635, 889, 1085, 1193, 1270, 1778, 2170, 2386, 3937, 4445, 5965, 7874, 8351, 8890, 11930, 16702, 19685, 27559, 36983, 39370, 41755, 55118, 73966, 83510, 137795, 151511, 184915, 258881, 275590, 303022, 369830, 517762, 757555, 1060577, 1294405, 1515110, 2121154, 2588810, 4696841, 5302885, 9393682, 10605770, 23484205, 32877887, 46968410, 65755774, 164389435, 328778870]

約数ペア:

[(1, 328778870), (2, 164389435), (5, 65755774), (7, 46968410), (10, 32877887), (14, 23484205), (31, 10605770), (35, 9393682), (62, 5302885), (70, 4696841), (127, 2588810), (155, 2121154), (217, 1515110), (254, 1294405), (310, 1060577), (434, 757555), (635, 517762), (889, 369830), (1085, 303022), (1193, 275590), (1270, 258881), (1778, 184915), (2170, 151511), (2386, 137795), (3937, 83510), (4445, 73966), (5965, 55118), (7874, 41755), (8351, 39370), (8890, 36983), (11930, 27559), (16702, 19685)]