203422120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20146

約数の個数: 64

約数和(自身を含む): 521043840

約数和(自身を除く): 317621720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 20101, 40202, 80404, 100505, 160808, 201010, 221111, 402020, 442222, 462323, 804040, 884444, 924646, 1105555, 1768888, 1849292, 2211110, 2311615, 3698584, 4422220, 4623230, 5085553, 8844440, 9246460, 10171106, 18492920, 20342212, 25427765, 40684424, 50855530, 101711060, 203422120]

約数ペア:

[(1, 203422120), (2, 101711060), (4, 50855530), (5, 40684424), (8, 25427765), (10, 20342212), (11, 18492920), (20, 10171106), (22, 9246460), (23, 8844440), (40, 5085553), (44, 4623230), (46, 4422220), (55, 3698584), (88, 2311615), (92, 2211110), (110, 1849292), (115, 1768888), (184, 1105555), (220, 924646), (230, 884444), (253, 804040), (440, 462323), (460, 442222), (506, 402020), (920, 221111), (1012, 201010), (1265, 160808), (2024, 100505), (2530, 80404), (5060, 40202), (10120, 20101)]