252187780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18301}}^1$

素因数の和:18376

約数の個数: 48

約数和(自身を含む): 581125104

約数和(自身を除く): 328937324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 18301, 36602, 73204, 91505, 183010, 237913, 366020, 475826, 951652, 969953, 1189565, 1939906, 2379130, 3879812, 4758260, 4849765, 9699530, 12609389, 19399060, 25218778, 50437556, 63046945, 126093890, 252187780]

約数ペア:

[(1, 252187780), (2, 126093890), (4, 63046945), (5, 50437556), (10, 25218778), (13, 19399060), (20, 12609389), (26, 9699530), (52, 4849765), (53, 4758260), (65, 3879812), (106, 2379130), (130, 1939906), (212, 1189565), (260, 969953), (265, 951652), (530, 475826), (689, 366020), (1060, 237913), (1378, 183010), (2756, 91505), (3445, 73204), (6890, 36602), (13780, 18301)]