397349820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{15017}}^1$

素因数の和:15049

約数の個数: 144

約数和(自身を含む): 1438123680

約数和(自身を除く): 1040773860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 15017, 26460, 30034, 45051, 60068, 75085, 90102, 105119, 135153, 150170, 180204, 210238, 225255, 270306, 300340, 315357, 405459, 420476, 450510, 525595, 540612, 630714, 675765, 735833, 810918, 901020, 946071, 1051190, 1261428, 1351530, 1471666, 1576785, 1621836, 1892142, 2027295, 2102380, 2207499, 2703060, 2838213, 2943332, 3153570, 3679165, 3784284, 4054590, 4414998, 4730355, 5676426, 6307140, 6622497, 7358330, 8109180, 8829996, 9460710, 11037495, 11352852, 13244994, 14191065, 14716660, 18921420, 19867491, 22074990, 26489988, 28382130, 33112485, 39734982, 44149980, 56764260, 66224970, 79469964, 99337455, 132449940, 198674910, 397349820]

約数ペア:

[(1, 397349820), (2, 198674910), (3, 132449940), (4, 99337455), (5, 79469964), (6, 66224970), (7, 56764260), (9, 44149980), (10, 39734982), (12, 33112485), (14, 28382130), (15, 26489988), (18, 22074990), (20, 19867491), (21, 18921420), (27, 14716660), (28, 14191065), (30, 13244994), (35, 11352852), (36, 11037495), (42, 9460710), (45, 8829996), (49, 8109180), (54, 7358330), (60, 6622497), (63, 6307140), (70, 5676426), (84, 4730355), (90, 4414998), (98, 4054590), (105, 3784284), (108, 3679165), (126, 3153570), (135, 2943332), (140, 2838213), (147, 2703060), (180, 2207499), (189, 2102380), (196, 2027295), (210, 1892142), (245, 1621836), (252, 1576785), (270, 1471666), (294, 1351530), (315, 1261428), (378, 1051190), (420, 946071), (441, 901020), (490, 810918), (540, 735833), (588, 675765), (630, 630714), (735, 540612), (756, 525595), (882, 450510), (945, 420476), (980, 405459), (1260, 315357), (1323, 300340), (1470, 270306), (1764, 225255), (1890, 210238), (2205, 180204), (2646, 150170), (2940, 135153), (3780, 105119), (4410, 90102), (5292, 75085), (6615, 60068), (8820, 45051), (13230, 30034), (15017, 26460)]