18303538460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{267049}}^1$

素因数の和:267230

約数の個数: 48

約数和(自身を含む): 40377960000

約数和(自身を除く): 22074421540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 596, 745, 1490, 2980, 3427, 6854, 13708, 17135, 34270, 68540, 267049, 534098, 1068196, 1335245, 2670490, 5340980, 6142127, 12284254, 24568508, 30710635, 39790301, 61421270, 79580602, 122842540, 159161204, 198951505, 397903010, 795806020, 915176923, 1830353846, 3660707692, 4575884615, 9151769230, 18303538460]

約数ペア:

[(1, 18303538460), (2, 9151769230), (4, 4575884615), (5, 3660707692), (10, 1830353846), (20, 915176923), (23, 795806020), (46, 397903010), (92, 198951505), (115, 159161204), (149, 122842540), (230, 79580602), (298, 61421270), (460, 39790301), (596, 30710635), (745, 24568508), (1490, 12284254), (2980, 6142127), (3427, 5340980), (6854, 2670490), (13708, 1335245), (17135, 1068196), (34270, 534098), (68540, 267049)]