311036308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 636804000

約数和(自身を除く): 325767692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 149, 209, 227, 242, 298, 418, 454, 484, 596, 836, 908, 1639, 2299, 2497, 2831, 3278, 4313, 4598, 4994, 5662, 6556, 8626, 9196, 9988, 11324, 17252, 18029, 27467, 31141, 33823, 36058, 47443, 54934, 62282, 67646, 72116, 94886, 109868, 124564, 135292, 189772, 342551, 372053, 521873, 642637, 685102, 744106, 1043746, 1285274, 1370204, 1488212, 2087492, 2570548, 4092583, 7069007, 8185166, 14138014, 16370332, 28276028, 77759077, 155518154, 311036308]

約数ペア:

[(1, 311036308), (2, 155518154), (4, 77759077), (11, 28276028), (19, 16370332), (22, 14138014), (38, 8185166), (44, 7069007), (76, 4092583), (121, 2570548), (149, 2087492), (209, 1488212), (227, 1370204), (242, 1285274), (298, 1043746), (418, 744106), (454, 685102), (484, 642637), (596, 521873), (836, 372053), (908, 342551), (1639, 189772), (2299, 135292), (2497, 124564), (2831, 109868), (3278, 94886), (4313, 72116), (4598, 67646), (4994, 62282), (5662, 54934), (6556, 47443), (8626, 36058), (9196, 33823), (9988, 31141), (11324, 27467), (17252, 18029)]