79320220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2791}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 200521440

約数和(自身を除く): 121201220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2791, 2842, 4060, 5582, 5684, 7105, 11164, 13955, 14210, 19537, 27910, 28420, 39074, 55820, 78148, 80939, 97685, 136759, 161878, 195370, 273518, 323756, 390740, 404695, 547036, 566573, 683795, 809390, 1133146, 1367590, 1618780, 2266292, 2735180, 2832865, 3966011, 5665730, 7932022, 11331460, 15864044, 19830055, 39660110, 79320220]

約数ペア:

[(1, 79320220), (2, 39660110), (4, 19830055), (5, 15864044), (7, 11331460), (10, 7932022), (14, 5665730), (20, 3966011), (28, 2832865), (29, 2735180), (35, 2266292), (49, 1618780), (58, 1367590), (70, 1133146), (98, 809390), (116, 683795), (140, 566573), (145, 547036), (196, 404695), (203, 390740), (245, 323756), (290, 273518), (406, 195370), (490, 161878), (580, 136759), (812, 97685), (980, 80939), (1015, 78148), (1421, 55820), (2030, 39074), (2791, 28420), (2842, 27910), (4060, 19537), (5582, 14210), (5684, 13955), (7105, 11164)]