31876460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2991

約数の個数: 72

約数和(自身を含む): 84977424

約数和(自身を除く): 53100964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2957, 5390, 5914, 10780, 11828, 14785, 20699, 29570, 32527, 41398, 59140, 65054, 82796, 103495, 130108, 144893, 162635, 206990, 227689, 289786, 325270, 413980, 455378, 579572, 650540, 724465, 910756, 1138445, 1448930, 1593823, 2276890, 2897860, 3187646, 4553780, 6375292, 7969115, 15938230, 31876460]

約数ペア:

[(1, 31876460), (2, 15938230), (4, 7969115), (5, 6375292), (7, 4553780), (10, 3187646), (11, 2897860), (14, 2276890), (20, 1593823), (22, 1448930), (28, 1138445), (35, 910756), (44, 724465), (49, 650540), (55, 579572), (70, 455378), (77, 413980), (98, 325270), (110, 289786), (140, 227689), (154, 206990), (196, 162635), (220, 144893), (245, 130108), (308, 103495), (385, 82796), (490, 65054), (539, 59140), (770, 41398), (980, 32527), (1078, 29570), (1540, 20699), (2156, 14785), (2695, 11828), (2957, 10780), (5390, 5914)]