159551140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2239}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 383846400

約数和(自身を除く): 224295260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2239, 2545, 3563, 4478, 5090, 7126, 8956, 10180, 11195, 14252, 15673, 17815, 22390, 31346, 35630, 44780, 62692, 71260, 78365, 156730, 313460, 1139651, 2279302, 4558604, 5698255, 7977557, 11396510, 15955114, 22793020, 31910228, 39887785, 79775570, 159551140]

約数ペア:

[(1, 159551140), (2, 79775570), (4, 39887785), (5, 31910228), (7, 22793020), (10, 15955114), (14, 11396510), (20, 7977557), (28, 5698255), (35, 4558604), (70, 2279302), (140, 1139651), (509, 313460), (1018, 156730), (2036, 78365), (2239, 71260), (2545, 62692), (3563, 44780), (4478, 35630), (5090, 31346), (7126, 22390), (8956, 17815), (10180, 15673), (11195, 14252)]