131341420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 332107776

約数和(自身を除く): 200766356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 106, 124, 140, 155, 212, 217, 265, 310, 371, 434, 530, 571, 620, 742, 868, 1060, 1085, 1142, 1484, 1643, 1855, 2170, 2284, 2855, 3286, 3710, 3997, 4340, 5710, 6572, 7420, 7994, 8215, 11420, 11501, 15988, 16430, 17701, 19985, 23002, 30263, 32860, 35402, 39970, 46004, 57505, 60526, 70804, 79940, 88505, 115010, 121052, 123907, 151315, 177010, 211841, 230020, 247814, 302630, 354020, 423682, 495628, 605260, 619535, 847364, 938153, 1059205, 1239070, 1876306, 2118410, 2478140, 3752612, 4236820, 4690765, 6567071, 9381530, 13134142, 18763060, 26268284, 32835355, 65670710, 131341420]

約数ペア:

[(1, 131341420), (2, 65670710), (4, 32835355), (5, 26268284), (7, 18763060), (10, 13134142), (14, 9381530), (20, 6567071), (28, 4690765), (31, 4236820), (35, 3752612), (53, 2478140), (62, 2118410), (70, 1876306), (106, 1239070), (124, 1059205), (140, 938153), (155, 847364), (212, 619535), (217, 605260), (265, 495628), (310, 423682), (371, 354020), (434, 302630), (530, 247814), (571, 230020), (620, 211841), (742, 177010), (868, 151315), (1060, 123907), (1085, 121052), (1142, 115010), (1484, 88505), (1643, 79940), (1855, 70804), (2170, 60526), (2284, 57505), (2855, 46004), (3286, 39970), (3710, 35402), (3997, 32860), (4340, 30263), (5710, 23002), (6572, 19985), (7420, 17701), (7994, 16430), (8215, 15988), (11420, 11501)]