397222420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{17623}}^1$

素因数の和:17669

約数の個数: 72

約数和(自身を含む): 1012604544

約数和(自身を除く): 615382124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 17623, 22540, 35246, 70492, 88115, 123361, 176230, 246722, 352460, 405329, 493444, 616805, 810658, 863527, 1233610, 1621316, 1727054, 2026645, 2467220, 2837303, 3454108, 4053290, 4317635, 5674606, 8106580, 8635270, 11349212, 14186515, 17270540, 19861121, 28373030, 39722242, 56746060, 79444484, 99305605, 198611210, 397222420]

約数ペア:

[(1, 397222420), (2, 198611210), (4, 99305605), (5, 79444484), (7, 56746060), (10, 39722242), (14, 28373030), (20, 19861121), (23, 17270540), (28, 14186515), (35, 11349212), (46, 8635270), (49, 8106580), (70, 5674606), (92, 4317635), (98, 4053290), (115, 3454108), (140, 2837303), (161, 2467220), (196, 2026645), (230, 1727054), (245, 1621316), (322, 1233610), (460, 863527), (490, 810658), (644, 616805), (805, 493444), (980, 405329), (1127, 352460), (1610, 246722), (2254, 176230), (3220, 123361), (4508, 88115), (5635, 70492), (11270, 35246), (17623, 22540)]