131297670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208409}}^1$

素因数の和:208429

約数の個数: 48

約数和(自身を含む): 390143520

約数和(自身を除く): 258845850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208409, 416818, 625227, 1042045, 1250454, 1458863, 1875681, 2084090, 2917726, 3126135, 3751362, 4376589, 6252270, 7294315, 8753178, 9378405, 13129767, 14588630, 18756810, 21882945, 26259534, 43765890, 65648835, 131297670]

約数ペア:

[(1, 131297670), (2, 65648835), (3, 43765890), (5, 26259534), (6, 21882945), (7, 18756810), (9, 14588630), (10, 13129767), (14, 9378405), (15, 8753178), (18, 7294315), (21, 6252270), (30, 4376589), (35, 3751362), (42, 3126135), (45, 2917726), (63, 2084090), (70, 1875681), (90, 1458863), (105, 1250454), (126, 1042045), (210, 625227), (315, 416818), (630, 208409)]