51781730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 127552320

約数和(自身を除く): 75770590

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 130, 143, 154, 182, 245, 286, 385, 455, 490, 539, 637, 715, 739, 770, 910, 1001, 1078, 1274, 1430, 1478, 2002, 2695, 3185, 3695, 5005, 5173, 5390, 6370, 7007, 7390, 8129, 9607, 10010, 10346, 14014, 16258, 19214, 25865, 35035, 36211, 40645, 48035, 51730, 56903, 67249, 70070, 72422, 81290, 96070, 105677, 113806, 134498, 181055, 211354, 284515, 336245, 362110, 398321, 470743, 528385, 569030, 672490, 739739, 796642, 941486, 1056770, 1479478, 1991605, 2353715, 3698695, 3983210, 4707430, 5178173, 7397390, 10356346, 25890865, 51781730]

約数ペア:

[(1, 51781730), (2, 25890865), (5, 10356346), (7, 7397390), (10, 5178173), (11, 4707430), (13, 3983210), (14, 3698695), (22, 2353715), (26, 1991605), (35, 1479478), (49, 1056770), (55, 941486), (65, 796642), (70, 739739), (77, 672490), (91, 569030), (98, 528385), (110, 470743), (130, 398321), (143, 362110), (154, 336245), (182, 284515), (245, 211354), (286, 181055), (385, 134498), (455, 113806), (490, 105677), (539, 96070), (637, 81290), (715, 72422), (739, 70070), (770, 67249), (910, 56903), (1001, 51730), (1078, 48035), (1274, 40645), (1430, 36211), (1478, 35035), (2002, 25865), (2695, 19214), (3185, 16258), (3695, 14014), (5005, 10346), (5173, 10010), (5390, 9607), (6370, 8129), (7007, 7390)]