1398432890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1\times {\mathrm{5573}}^1$

素因数の和:6694

約数の個数: 32

約数和(自身を含む): 2629501056

約数和(自身を除く): 1231068166

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1091, 2182, 5455, 5573, 10910, 11146, 25093, 27865, 50186, 55730, 125465, 128179, 250930, 256358, 640895, 1281790, 6080143, 12160286, 30400715, 60801430, 139843289, 279686578, 699216445, 1398432890]

約数ペア:

[(1, 1398432890), (2, 699216445), (5, 279686578), (10, 139843289), (23, 60801430), (46, 30400715), (115, 12160286), (230, 6080143), (1091, 1281790), (2182, 640895), (5455, 256358), (5573, 250930), (10910, 128179), (11146, 125465), (25093, 55730), (27865, 50186)]