1940864240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{65393}}^1$

素因数の和:65466

約数の個数: 80

約数和(自身を含む): 5254538688

約数和(自身を除く): 3313674448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 14840, 29680, 65393, 130786, 261572, 326965, 457751, 523144, 653930, 915502, 1046288, 1307860, 1831004, 2288755, 2615720, 3465829, 3662008, 4577510, 5231440, 6931658, 7324016, 9155020, 13863316, 17329145, 18310040, 24260803, 27726632, 34658290, 36620080, 48521606, 55453264, 69316580, 97043212, 121304015, 138633160, 194086424, 242608030, 277266320, 388172848, 485216060, 970432120, 1940864240]

約数ペア:

[(1, 1940864240), (2, 970432120), (4, 485216060), (5, 388172848), (7, 277266320), (8, 242608030), (10, 194086424), (14, 138633160), (16, 121304015), (20, 97043212), (28, 69316580), (35, 55453264), (40, 48521606), (53, 36620080), (56, 34658290), (70, 27726632), (80, 24260803), (106, 18310040), (112, 17329145), (140, 13863316), (212, 9155020), (265, 7324016), (280, 6931658), (371, 5231440), (424, 4577510), (530, 3662008), (560, 3465829), (742, 2615720), (848, 2288755), (1060, 1831004), (1484, 1307860), (1855, 1046288), (2120, 915502), (2968, 653930), (3710, 523144), (4240, 457751), (5936, 326965), (7420, 261572), (14840, 130786), (29680, 65393)]