425306980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 1099090944

約数和(自身を除く): 673783964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 53, 62, 70, 86, 106, 124, 140, 155, 172, 212, 215, 217, 265, 301, 310, 371, 430, 434, 530, 602, 620, 742, 860, 868, 1060, 1085, 1204, 1333, 1484, 1505, 1643, 1849, 1855, 2170, 2279, 2666, 3010, 3286, 3698, 3710, 4340, 4558, 5332, 6020, 6572, 6665, 7396, 7420, 8215, 9116, 9245, 9331, 11395, 11501, 12943, 13330, 15953, 16430, 18490, 18662, 22790, 23002, 25886, 26660, 31906, 32860, 36980, 37324, 45580, 46004, 46655, 51772, 57319, 57505, 63812, 64715, 70649, 79765, 93310, 97997, 114638, 115010, 129430, 141298, 159530, 186620, 195994, 229276, 230020, 258860, 282596, 286595, 319060, 353245, 391988, 401233, 489985, 494543, 573190, 685979, 706490, 802466, 979970, 989086, 1146380, 1371958, 1412980, 1604932, 1959940, 1978172, 2006165, 2472715, 2743916, 3037907, 3429895, 4012330, 4945430, 6075814, 6859790, 8024660, 9890860, 12151628, 13719580, 15189535, 21265349, 30379070, 42530698, 60758140, 85061396, 106326745, 212653490, 425306980]

約数ペア:

[(1, 425306980), (2, 212653490), (4, 106326745), (5, 85061396), (7, 60758140), (10, 42530698), (14, 30379070), (20, 21265349), (28, 15189535), (31, 13719580), (35, 12151628), (43, 9890860), (53, 8024660), (62, 6859790), (70, 6075814), (86, 4945430), (106, 4012330), (124, 3429895), (140, 3037907), (155, 2743916), (172, 2472715), (212, 2006165), (215, 1978172), (217, 1959940), (265, 1604932), (301, 1412980), (310, 1371958), (371, 1146380), (430, 989086), (434, 979970), (530, 802466), (602, 706490), (620, 685979), (742, 573190), (860, 494543), (868, 489985), (1060, 401233), (1085, 391988), (1204, 353245), (1333, 319060), (1484, 286595), (1505, 282596), (1643, 258860), (1849, 230020), (1855, 229276), (2170, 195994), (2279, 186620), (2666, 159530), (3010, 141298), (3286, 129430), (3698, 115010), (3710, 114638), (4340, 97997), (4558, 93310), (5332, 79765), (6020, 70649), (6572, 64715), (6665, 63812), (7396, 57505), (7420, 57319), (8215, 51772), (9116, 46655), (9245, 46004), (9331, 45580), (11395, 37324), (11501, 36980), (12943, 32860), (13330, 31906), (15953, 26660), (16430, 25886), (18490, 23002), (18662, 22790)]