102654020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 108

約数和(自身を含む): 261496620

約数和(自身を除く): 158842600

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 109, 124, 140, 155, 196, 217, 218, 245, 310, 434, 436, 490, 545, 620, 763, 868, 961, 980, 1085, 1090, 1519, 1526, 1922, 2170, 2180, 3038, 3052, 3379, 3815, 3844, 4340, 4805, 5341, 6076, 6727, 6758, 7595, 7630, 9610, 10682, 13454, 13516, 15190, 15260, 16895, 19220, 21364, 23653, 26705, 26908, 30380, 33635, 33790, 47089, 47306, 53410, 67270, 67580, 94178, 94612, 104749, 106820, 118265, 134540, 165571, 188356, 209498, 235445, 236530, 331142, 418996, 470890, 473060, 523745, 662284, 733243, 827855, 941780, 1047490, 1466486, 1655710, 2094980, 2932972, 3311420, 3666215, 5132701, 7332430, 10265402, 14664860, 20530804, 25663505, 51327010, 102654020]

約数ペア:

[(1, 102654020), (2, 51327010), (4, 25663505), (5, 20530804), (7, 14664860), (10, 10265402), (14, 7332430), (20, 5132701), (28, 3666215), (31, 3311420), (35, 2932972), (49, 2094980), (62, 1655710), (70, 1466486), (98, 1047490), (109, 941780), (124, 827855), (140, 733243), (155, 662284), (196, 523745), (217, 473060), (218, 470890), (245, 418996), (310, 331142), (434, 236530), (436, 235445), (490, 209498), (545, 188356), (620, 165571), (763, 134540), (868, 118265), (961, 106820), (980, 104749), (1085, 94612), (1090, 94178), (1519, 67580), (1526, 67270), (1922, 53410), (2170, 47306), (2180, 47089), (3038, 33790), (3052, 33635), (3379, 30380), (3815, 26908), (3844, 26705), (4340, 23653), (4805, 21364), (5341, 19220), (6076, 16895), (6727, 15260), (6758, 15190), (7595, 13516), (7630, 13454), (9610, 10682)]