2690800

素因数分解:

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

素因数の和:87

約数の個数: 90

約数和(自身を含む): 7634184

約数和(自身を除く): 4943384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 961, 1085, 1240, 1400, 1550, 1736, 1922, 2170, 2480, 2800, 3100, 3472, 3844, 4340, 4805, 5425, 6200, 6727, 7688, 8680, 9610, 10850, 12400, 13454, 15376, 17360, 19220, 21700, 24025, 26908, 33635, 38440, 43400, 48050, 53816, 67270, 76880, 86800, 96100, 107632, 134540, 168175, 192200, 269080, 336350, 384400, 538160, 672700, 1345400, 2690800]

約数ペア:

[(1, 2690800), (2, 1345400), (4, 672700), (5, 538160), (7, 384400), (8, 336350), (10, 269080), (14, 192200), (16, 168175), (20, 134540), (25, 107632), (28, 96100), (31, 86800), (35, 76880), (40, 67270), (50, 53816), (56, 48050), (62, 43400), (70, 38440), (80, 33635), (100, 26908), (112, 24025), (124, 21700), (140, 19220), (155, 17360), (175, 15376), (200, 13454), (217, 12400), (248, 10850), (280, 9610), (310, 8680), (350, 7688), (400, 6727), (434, 6200), (496, 5425), (560, 4805), (620, 4340), (700, 3844), (775, 3472), (868, 3100), (961, 2800), (1085, 2480), (1240, 2170), (1400, 1922), (1550, 1736)]