40938870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{509}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 112803840

約数和(自身を除く): 71864970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 383, 509, 766, 1018, 1149, 1527, 1915, 2298, 2545, 2681, 3054, 3563, 3830, 5090, 5362, 5745, 7126, 7635, 8043, 10689, 11490, 13405, 15270, 16086, 17815, 21378, 26810, 35630, 40215, 53445, 80430, 106890, 194947, 389894, 584841, 974735, 1169682, 1364629, 1949470, 2729258, 2924205, 4093887, 5848410, 6823145, 8187774, 13646290, 20469435, 40938870]

約数ペア:

[(1, 40938870), (2, 20469435), (3, 13646290), (5, 8187774), (6, 6823145), (7, 5848410), (10, 4093887), (14, 2924205), (15, 2729258), (21, 1949470), (30, 1364629), (35, 1169682), (42, 974735), (70, 584841), (105, 389894), (210, 194947), (383, 106890), (509, 80430), (766, 53445), (1018, 40215), (1149, 35630), (1527, 26810), (1915, 21378), (2298, 17815), (2545, 16086), (2681, 15270), (3054, 13405), (3563, 11490), (3830, 10689), (5090, 8043), (5362, 7635), (5745, 7126)]