38939320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19867}}^1$

素因数の和:19892

約数の個数: 48

約数和(自身を含む): 101922840

約数和(自身を除く): 62983520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19867, 39734, 79468, 99335, 139069, 158936, 198670, 278138, 397340, 556276, 695345, 794680, 973483, 1112552, 1390690, 1946966, 2781380, 3893932, 4867415, 5562760, 7787864, 9734830, 19469660, 38939320]

約数ペア:

[(1, 38939320), (2, 19469660), (4, 9734830), (5, 7787864), (7, 5562760), (8, 4867415), (10, 3893932), (14, 2781380), (20, 1946966), (28, 1390690), (35, 1112552), (40, 973483), (49, 794680), (56, 695345), (70, 556276), (98, 397340), (140, 278138), (196, 198670), (245, 158936), (280, 139069), (392, 99335), (490, 79468), (980, 39734), (1960, 19867)]