318721410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{505907}}^1$

素因数の和:505927

約数の個数: 48

約数和(自身を含む): 947059776

約数和(自身を除く): 628338366

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, 505907, 1011814, 1517721, 2529535, 3035442, 3541349, 4553163, 5059070, 7082698, 7588605, 9106326, 10624047, 15177210, 17706745, 21248094, 22765815, 31872141, 35413490, 45531630, 53120235, 63744282, 106240470, 159360705, 318721410]

約数ペア:

[(1, 318721410), (2, 159360705), (3, 106240470), (5, 63744282), (6, 53120235), (7, 45531630), (9, 35413490), (10, 31872141), (14, 22765815), (15, 21248094), (18, 17706745), (21, 15177210), (30, 10624047), (35, 9106326), (42, 7588605), (45, 7082698), (63, 5059070), (70, 4553163), (90, 3541349), (105, 3035442), (126, 2529535), (210, 1517721), (315, 1011814), (630, 505907)]