394088120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 988416000

約数和(自身を除く): 594327880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 43, 62, 76, 86, 95, 124, 152, 155, 172, 190, 215, 248, 310, 344, 380, 389, 430, 589, 620, 760, 778, 817, 860, 1178, 1240, 1333, 1556, 1634, 1720, 1945, 2356, 2666, 2945, 3112, 3268, 3890, 4085, 4712, 5332, 5890, 6536, 6665, 7391, 7780, 8170, 10664, 11780, 12059, 13330, 14782, 15560, 16340, 16727, 23560, 24118, 25327, 26660, 29564, 32680, 33454, 36955, 48236, 50654, 53320, 59128, 60295, 66908, 73910, 83635, 96472, 101308, 120590, 126635, 133816, 147820, 167270, 202616, 229121, 241180, 253270, 295640, 317813, 334540, 458242, 482360, 506540, 518537, 635626, 669080, 916484, 1013080, 1037074, 1145605, 1271252, 1589065, 1832968, 2074148, 2291210, 2542504, 2592685, 3178130, 4148296, 4582420, 5185370, 6356260, 9164840, 9852203, 10370740, 12712520, 19704406, 20741480, 39408812, 49261015, 78817624, 98522030, 197044060, 394088120]

約数ペア:

[(1, 394088120), (2, 197044060), (4, 98522030), (5, 78817624), (8, 49261015), (10, 39408812), (19, 20741480), (20, 19704406), (31, 12712520), (38, 10370740), (40, 9852203), (43, 9164840), (62, 6356260), (76, 5185370), (86, 4582420), (95, 4148296), (124, 3178130), (152, 2592685), (155, 2542504), (172, 2291210), (190, 2074148), (215, 1832968), (248, 1589065), (310, 1271252), (344, 1145605), (380, 1037074), (389, 1013080), (430, 916484), (589, 669080), (620, 635626), (760, 518537), (778, 506540), (817, 482360), (860, 458242), (1178, 334540), (1240, 317813), (1333, 295640), (1556, 253270), (1634, 241180), (1720, 229121), (1945, 202616), (2356, 167270), (2666, 147820), (2945, 133816), (3112, 126635), (3268, 120590), (3890, 101308), (4085, 96472), (4712, 83635), (5332, 73910), (5890, 66908), (6536, 60295), (6665, 59128), (7391, 53320), (7780, 50654), (8170, 48236), (10664, 36955), (11780, 33454), (12059, 32680), (13330, 29564), (14782, 26660), (15560, 25327), (16340, 24118), (16727, 23560)]