2172401840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{37663}}^1$

素因数の和:37786

約数の個数: 80

約数和(自身を含む): 5828579328

約数和(自身を除く): 3656177488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2884, 3605, 4120, 5768, 7210, 8240, 11536, 14420, 28840, 37663, 57680, 75326, 150652, 188315, 263641, 301304, 376630, 527282, 602608, 753260, 1054564, 1318205, 1506520, 2109128, 2636410, 3013040, 3879289, 4218256, 5272820, 7758578, 10545640, 15517156, 19396445, 21091280, 27155023, 31034312, 38792890, 54310046, 62068624, 77585780, 108620092, 135775115, 155171560, 217240184, 271550230, 310343120, 434480368, 543100460, 1086200920, 2172401840]

約数ペア:

[(1, 2172401840), (2, 1086200920), (4, 543100460), (5, 434480368), (7, 310343120), (8, 271550230), (10, 217240184), (14, 155171560), (16, 135775115), (20, 108620092), (28, 77585780), (35, 62068624), (40, 54310046), (56, 38792890), (70, 31034312), (80, 27155023), (103, 21091280), (112, 19396445), (140, 15517156), (206, 10545640), (280, 7758578), (412, 5272820), (515, 4218256), (560, 3879289), (721, 3013040), (824, 2636410), (1030, 2109128), (1442, 1506520), (1648, 1318205), (2060, 1054564), (2884, 753260), (3605, 602608), (4120, 527282), (5768, 376630), (7210, 301304), (8240, 263641), (11536, 188315), (14420, 150652), (28840, 75326), (37663, 57680)]