1411540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 1869500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 89, 122, 130, 178, 244, 260, 305, 356, 445, 610, 793, 890, 1157, 1220, 1586, 1780, 2314, 3172, 3965, 4628, 5429, 5785, 7930, 10858, 11570, 15860, 21716, 23140, 27145, 54290, 70577, 108580, 141154, 282308, 352885, 705770, 1411540]

約数ペア:

[(1, 1411540), (2, 705770), (4, 352885), (5, 282308), (10, 141154), (13, 108580), (20, 70577), (26, 54290), (52, 27145), (61, 23140), (65, 21716), (89, 15860), (122, 11570), (130, 10858), (178, 7930), (244, 5785), (260, 5429), (305, 4628), (356, 3965), (445, 3172), (610, 2314), (793, 1780), (890, 1586), (1157, 1220)]