8940400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 25585664

約数和(自身を除く): 16645264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 103, 112, 124, 140, 155, 175, 200, 206, 217, 248, 280, 310, 350, 400, 412, 434, 496, 515, 560, 620, 700, 721, 775, 824, 868, 1030, 1085, 1240, 1400, 1442, 1550, 1648, 1736, 2060, 2170, 2480, 2575, 2800, 2884, 3100, 3193, 3472, 3605, 4120, 4340, 5150, 5425, 5768, 6200, 6386, 7210, 8240, 8680, 10300, 10850, 11536, 12400, 12772, 14420, 15965, 17360, 18025, 20600, 21700, 22351, 25544, 28840, 31930, 36050, 41200, 43400, 44702, 51088, 57680, 63860, 72100, 79825, 86800, 89404, 111755, 127720, 144200, 159650, 178808, 223510, 255440, 288400, 319300, 357616, 447020, 558775, 638600, 894040, 1117550, 1277200, 1788080, 2235100, 4470200, 8940400]

約数ペア:

[(1, 8940400), (2, 4470200), (4, 2235100), (5, 1788080), (7, 1277200), (8, 1117550), (10, 894040), (14, 638600), (16, 558775), (20, 447020), (25, 357616), (28, 319300), (31, 288400), (35, 255440), (40, 223510), (50, 178808), (56, 159650), (62, 144200), (70, 127720), (80, 111755), (100, 89404), (103, 86800), (112, 79825), (124, 72100), (140, 63860), (155, 57680), (175, 51088), (200, 44702), (206, 43400), (217, 41200), (248, 36050), (280, 31930), (310, 28840), (350, 25544), (400, 22351), (412, 21700), (434, 20600), (496, 18025), (515, 17360), (560, 15965), (620, 14420), (700, 12772), (721, 12400), (775, 11536), (824, 10850), (868, 10300), (1030, 8680), (1085, 8240), (1240, 7210), (1400, 6386), (1442, 6200), (1550, 5768), (1648, 5425), (1736, 5150), (2060, 4340), (2170, 4120), (2480, 3605), (2575, 3472), (2800, 3193), (2884, 3100)]