111998320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{28571}}^1$

素因数の和:28598

約数の個数: 60

約数和(自身を含む): 302920344

約数和(自身を除く): 190922024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 28571, 57142, 114284, 142855, 199997, 228568, 285710, 399994, 457136, 571420, 799988, 999985, 1142840, 1399979, 1599976, 1999970, 2285680, 2799958, 3199952, 3999940, 5599916, 6999895, 7999880, 11199832, 13999790, 15999760, 22399664, 27999580, 55999160, 111998320]

約数ペア:

[(1, 111998320), (2, 55999160), (4, 27999580), (5, 22399664), (7, 15999760), (8, 13999790), (10, 11199832), (14, 7999880), (16, 6999895), (20, 5599916), (28, 3999940), (35, 3199952), (40, 2799958), (49, 2285680), (56, 1999970), (70, 1599976), (80, 1399979), (98, 1142840), (112, 999985), (140, 799988), (196, 571420), (245, 457136), (280, 399994), (392, 285710), (490, 228568), (560, 199997), (784, 142855), (980, 114284), (1960, 57142), (3920, 28571)]