261844230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 639576000

約数和(自身を除く): 377731770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 281, 349, 445, 534, 562, 698, 843, 890, 1047, 1335, 1405, 1686, 1745, 2094, 2670, 2810, 3490, 4215, 5235, 8430, 10470, 25009, 31061, 50018, 62122, 75027, 93183, 98069, 125045, 150054, 155305, 186366, 196138, 250090, 294207, 310610, 375135, 465915, 490345, 588414, 750270, 931830, 980690, 1471035, 2942070, 8728141, 17456282, 26184423, 43640705, 52368846, 87281410, 130922115, 261844230]

約数ペア:

[(1, 261844230), (2, 130922115), (3, 87281410), (5, 52368846), (6, 43640705), (10, 26184423), (15, 17456282), (30, 8728141), (89, 2942070), (178, 1471035), (267, 980690), (281, 931830), (349, 750270), (445, 588414), (534, 490345), (562, 465915), (698, 375135), (843, 310610), (890, 294207), (1047, 250090), (1335, 196138), (1405, 186366), (1686, 155305), (1745, 150054), (2094, 125045), (2670, 98069), (2810, 93183), (3490, 75027), (4215, 62122), (5235, 50018), (8430, 31061), (10470, 25009)]