1985490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 5562648

約数和(自身を除く): 3577158

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1697, 3394, 5091, 8485, 10182, 15273, 16970, 22061, 25455, 30546, 44122, 50910, 66183, 76365, 110305, 132366, 152730, 198549, 220610, 330915, 397098, 661830, 992745, 1985490]

約数ペア:

[(1, 1985490), (2, 992745), (3, 661830), (5, 397098), (6, 330915), (9, 220610), (10, 198549), (13, 152730), (15, 132366), (18, 110305), (26, 76365), (30, 66183), (39, 50910), (45, 44122), (65, 30546), (78, 25455), (90, 22061), (117, 16970), (130, 15273), (195, 10182), (234, 8485), (390, 5091), (585, 3394), (1170, 1697)]