51789220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11933}}^1$

素因数の和:11980

約数の個数: 48

約数和(自身を含む): 128314368

約数和(自身を除く): 76525148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 11933, 23866, 47732, 59665, 83531, 119330, 167062, 238660, 334124, 369923, 417655, 739846, 835310, 1479692, 1670620, 1849615, 2589461, 3699230, 5178922, 7398460, 10357844, 12947305, 25894610, 51789220]

約数ペア:

[(1, 51789220), (2, 25894610), (4, 12947305), (5, 10357844), (7, 7398460), (10, 5178922), (14, 3699230), (20, 2589461), (28, 1849615), (31, 1670620), (35, 1479692), (62, 835310), (70, 739846), (124, 417655), (140, 369923), (155, 334124), (217, 238660), (310, 167062), (434, 119330), (620, 83531), (868, 59665), (1085, 47732), (2170, 23866), (4340, 11933)]