90445880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1423}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 233763840

約数和(自身を除く): 143317960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1423, 1589, 1816, 2270, 2846, 3178, 4540, 5692, 6356, 7115, 7945, 9080, 9961, 11384, 12712, 14230, 15890, 19922, 28460, 31780, 39844, 49805, 56920, 63560, 79688, 99610, 199220, 323021, 398440, 646042, 1292084, 1615105, 2261147, 2584168, 3230210, 4522294, 6460420, 9044588, 11305735, 12920840, 18089176, 22611470, 45222940, 90445880]

約数ペア:

[(1, 90445880), (2, 45222940), (4, 22611470), (5, 18089176), (7, 12920840), (8, 11305735), (10, 9044588), (14, 6460420), (20, 4522294), (28, 3230210), (35, 2584168), (40, 2261147), (56, 1615105), (70, 1292084), (140, 646042), (227, 398440), (280, 323021), (454, 199220), (908, 99610), (1135, 79688), (1423, 63560), (1589, 56920), (1816, 49805), (2270, 39844), (2846, 31780), (3178, 28460), (4540, 19922), (5692, 15890), (6356, 14230), (7115, 12712), (7945, 11384), (9080, 9961)]