205177310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 410743872

約数和(自身を除く): 205566562

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 97, 106, 130, 194, 265, 307, 485, 530, 614, 689, 970, 1261, 1378, 1535, 2522, 3070, 3445, 3991, 5141, 6305, 6890, 7982, 10282, 12610, 16271, 19955, 25705, 29779, 32542, 39910, 51410, 59558, 66833, 81355, 133666, 148895, 162710, 211523, 297790, 334165, 387127, 423046, 668330, 774254, 1057615, 1578287, 1935635, 2115230, 3156574, 3871270, 7891435, 15782870, 20517731, 41035462, 102588655, 205177310]

約数ペア:

[(1, 205177310), (2, 102588655), (5, 41035462), (10, 20517731), (13, 15782870), (26, 7891435), (53, 3871270), (65, 3156574), (97, 2115230), (106, 1935635), (130, 1578287), (194, 1057615), (265, 774254), (307, 668330), (485, 423046), (530, 387127), (614, 334165), (689, 297790), (970, 211523), (1261, 162710), (1378, 148895), (1535, 133666), (2522, 81355), (3070, 66833), (3445, 59558), (3991, 51410), (5141, 39910), (6305, 32542), (6890, 29779), (7982, 25705), (10282, 19955), (12610, 16271)]