55393890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 142027776

約数和(自身を除く): 86633886

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1290, 1867, 1978, 2967, 3734, 4945, 5601, 5934, 9335, 9890, 11202, 14835, 18670, 28005, 29670, 42941, 56010, 80281, 85882, 128823, 160562, 214705, 240843, 257646, 401405, 429410, 481686, 644115, 802810, 1204215, 1288230, 1846463, 2408430, 3692926, 5539389, 9232315, 11078778, 18464630, 27696945, 55393890]

約数ペア:

[(1, 55393890), (2, 27696945), (3, 18464630), (5, 11078778), (6, 9232315), (10, 5539389), (15, 3692926), (23, 2408430), (30, 1846463), (43, 1288230), (46, 1204215), (69, 802810), (86, 644115), (115, 481686), (129, 429410), (138, 401405), (215, 257646), (230, 240843), (258, 214705), (345, 160562), (430, 128823), (645, 85882), (690, 80281), (989, 56010), (1290, 42941), (1867, 29670), (1978, 28005), (2967, 18670), (3734, 14835), (4945, 11202), (5601, 9890), (5934, 9335)]