313231940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 793981440

約数和(自身を除く): 480749500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 644, 805, 890, 1093, 1246, 1610, 1780, 2047, 2186, 2492, 3115, 3220, 4094, 4372, 5465, 6230, 7651, 8188, 10235, 10930, 12460, 14329, 15302, 20470, 21860, 25139, 28658, 30604, 38255, 40940, 50278, 57316, 71645, 76510, 97277, 100556, 125695, 143290, 153020, 175973, 194554, 251390, 286580, 351946, 389108, 486385, 502780, 680939, 703892, 879865, 972770, 1361878, 1759730, 1945540, 2237371, 2723756, 3404695, 3519460, 4474742, 6809390, 8949484, 11186855, 13618780, 15661597, 22373710, 31323194, 44747420, 62646388, 78307985, 156615970, 313231940]

約数ペア:

[(1, 313231940), (2, 156615970), (4, 78307985), (5, 62646388), (7, 44747420), (10, 31323194), (14, 22373710), (20, 15661597), (23, 13618780), (28, 11186855), (35, 8949484), (46, 6809390), (70, 4474742), (89, 3519460), (92, 3404695), (115, 2723756), (140, 2237371), (161, 1945540), (178, 1759730), (230, 1361878), (322, 972770), (356, 879865), (445, 703892), (460, 680939), (623, 502780), (644, 486385), (805, 389108), (890, 351946), (1093, 286580), (1246, 251390), (1610, 194554), (1780, 175973), (2047, 153020), (2186, 143290), (2492, 125695), (3115, 100556), (3220, 97277), (4094, 76510), (4372, 71645), (5465, 57316), (6230, 50278), (7651, 40940), (8188, 38255), (10235, 30604), (10930, 28658), (12460, 25139), (14329, 21860), (15302, 20470)]