30203845

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 14579003

約数列:

[1, 5, 7, 35, 43, 47, 49, 61, 215, 235, 245, 301, 305, 329, 427, 1505, 1645, 2021, 2107, 2135, 2303, 2623, 2867, 2989, 10105, 10535, 11515, 13115, 14147, 14335, 14945, 18361, 20069, 70735, 91805, 99029, 100345, 123281, 128527, 140483, 495145, 616405, 642635, 702415, 862967, 4314835, 6040769, 30203845]

約数ペア:

[(1, 30203845), (5, 6040769), (7, 4314835), (35, 862967), (43, 702415), (47, 642635), (49, 616405), (61, 495145), (215, 140483), (235, 128527), (245, 123281), (301, 100345), (305, 99029), (329, 91805), (427, 70735), (1505, 20069), (1645, 18361), (2021, 14945), (2107, 14335), (2135, 14147), (2303, 13115), (2623, 11515), (2867, 10535), (2989, 10105)]