38388780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 116953200

約数和(自身を除く): 78564420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 509, 838, 1018, 1257, 1527, 1676, 2036, 2095, 2514, 2545, 3054, 3771, 4190, 4581, 5028, 5090, 6108, 6285, 7542, 7635, 8380, 9162, 10180, 12570, 15084, 15270, 18324, 18855, 22905, 25140, 30540, 37710, 45810, 75420, 91620, 213271, 426542, 639813, 853084, 1066355, 1279626, 1919439, 2132710, 2559252, 3199065, 3838878, 4265420, 6398130, 7677756, 9597195, 12796260, 19194390, 38388780]

約数ペア:

[(1, 38388780), (2, 19194390), (3, 12796260), (4, 9597195), (5, 7677756), (6, 6398130), (9, 4265420), (10, 3838878), (12, 3199065), (15, 2559252), (18, 2132710), (20, 1919439), (30, 1279626), (36, 1066355), (45, 853084), (60, 639813), (90, 426542), (180, 213271), (419, 91620), (509, 75420), (838, 45810), (1018, 37710), (1257, 30540), (1527, 25140), (1676, 22905), (2036, 18855), (2095, 18324), (2514, 15270), (2545, 15084), (3054, 12570), (3771, 10180), (4190, 9162), (4581, 8380), (5028, 7635), (5090, 7542), (6108, 6285)]