17689840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 30878480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1019, 1085, 1240, 1736, 2038, 2170, 2480, 3472, 4076, 4340, 5095, 7133, 8152, 8680, 10190, 14266, 16304, 17360, 20380, 28532, 31589, 35665, 40760, 57064, 63178, 71330, 81520, 114128, 126356, 142660, 157945, 221123, 252712, 285320, 315890, 442246, 505424, 570640, 631780, 884492, 1105615, 1263560, 1768984, 2211230, 2527120, 3537968, 4422460, 8844920, 17689840]

約数ペア:

[(1, 17689840), (2, 8844920), (4, 4422460), (5, 3537968), (7, 2527120), (8, 2211230), (10, 1768984), (14, 1263560), (16, 1105615), (20, 884492), (28, 631780), (31, 570640), (35, 505424), (40, 442246), (56, 315890), (62, 285320), (70, 252712), (80, 221123), (112, 157945), (124, 142660), (140, 126356), (155, 114128), (217, 81520), (248, 71330), (280, 63178), (310, 57064), (434, 40760), (496, 35665), (560, 31589), (620, 28532), (868, 20380), (1019, 17360), (1085, 16304), (1240, 14266), (1736, 10190), (2038, 8680), (2170, 8152), (2480, 7133), (3472, 5095), (4076, 4340)]