205355876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 421407840

約数和(自身を除く): 216051964

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 137, 163, 209, 242, 274, 326, 418, 484, 548, 652, 836, 1507, 1793, 2299, 2603, 3014, 3097, 3586, 4598, 5206, 6028, 6194, 7172, 9196, 10412, 12388, 16577, 19723, 22331, 28633, 33154, 34067, 39446, 44662, 57266, 66308, 68134, 78892, 89324, 114532, 136268, 245641, 314963, 374737, 424289, 491282, 629926, 749474, 848578, 982564, 1259852, 1498948, 1697156, 2702051, 4667179, 5404102, 9334358, 10808204, 18668716, 51338969, 102677938, 205355876]

約数ペア:

[(1, 205355876), (2, 102677938), (4, 51338969), (11, 18668716), (19, 10808204), (22, 9334358), (38, 5404102), (44, 4667179), (76, 2702051), (121, 1697156), (137, 1498948), (163, 1259852), (209, 982564), (242, 848578), (274, 749474), (326, 629926), (418, 491282), (484, 424289), (548, 374737), (652, 314963), (836, 245641), (1507, 136268), (1793, 114532), (2299, 89324), (2603, 78892), (3014, 68134), (3097, 66308), (3586, 57266), (4598, 44662), (5206, 39446), (6028, 34067), (6194, 33154), (7172, 28633), (9196, 22331), (10412, 19723), (12388, 16577)]