397355840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3347}}^1$

素因数の和:3424

約数の個数: 112

約数和(自身を含む): 1102108032

約数和(自身を除く): 704752192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 742, 848, 1060, 1120, 1484, 1696, 1855, 2120, 2240, 2968, 3347, 3392, 3710, 4240, 5936, 6694, 7420, 8480, 11872, 13388, 14840, 16735, 16960, 23429, 23744, 26776, 29680, 33470, 46858, 53552, 59360, 66940, 93716, 107104, 117145, 118720, 133880, 177391, 187432, 214208, 234290, 267760, 354782, 374864, 468580, 535520, 709564, 749728, 886955, 937160, 1071040, 1241737, 1419128, 1499456, 1773910, 1874320, 2483474, 2838256, 3547820, 3748640, 4966948, 5676512, 6208685, 7095640, 7497280, 9933896, 11353024, 12417370, 14191280, 19867792, 24834740, 28382560, 39735584, 49669480, 56765120, 79471168, 99338960, 198677920, 397355840]

約数ペア:

[(1, 397355840), (2, 198677920), (4, 99338960), (5, 79471168), (7, 56765120), (8, 49669480), (10, 39735584), (14, 28382560), (16, 24834740), (20, 19867792), (28, 14191280), (32, 12417370), (35, 11353024), (40, 9933896), (53, 7497280), (56, 7095640), (64, 6208685), (70, 5676512), (80, 4966948), (106, 3748640), (112, 3547820), (140, 2838256), (160, 2483474), (212, 1874320), (224, 1773910), (265, 1499456), (280, 1419128), (320, 1241737), (371, 1071040), (424, 937160), (448, 886955), (530, 749728), (560, 709564), (742, 535520), (848, 468580), (1060, 374864), (1120, 354782), (1484, 267760), (1696, 234290), (1855, 214208), (2120, 187432), (2240, 177391), (2968, 133880), (3347, 118720), (3392, 117145), (3710, 107104), (4240, 93716), (5936, 66940), (6694, 59360), (7420, 53552), (8480, 46858), (11872, 33470), (13388, 29680), (14840, 26776), (16735, 23744), (16960, 23429)]