7189420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 17478720

約数和(自身を除く): 10289300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 577, 623, 890, 1154, 1246, 1780, 2308, 2492, 2885, 3115, 4039, 5770, 6230, 8078, 11540, 12460, 16156, 20195, 40390, 51353, 80780, 102706, 205412, 256765, 359471, 513530, 718942, 1027060, 1437884, 1797355, 3594710, 7189420]

約数ペア:

[(1, 7189420), (2, 3594710), (4, 1797355), (5, 1437884), (7, 1027060), (10, 718942), (14, 513530), (20, 359471), (28, 256765), (35, 205412), (70, 102706), (89, 80780), (140, 51353), (178, 40390), (356, 20195), (445, 16156), (577, 12460), (623, 11540), (890, 8078), (1154, 6230), (1246, 5770), (1780, 4039), (2308, 3115), (2492, 2885)]