255351460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 664618752

約数和(自身を除く): 409267292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 173, 182, 260, 346, 364, 455, 692, 811, 865, 910, 1211, 1622, 1730, 1820, 2249, 2422, 3244, 3460, 4055, 4498, 4844, 5677, 6055, 8110, 8996, 10543, 11245, 11354, 12110, 15743, 16220, 21086, 22490, 22708, 24220, 28385, 31486, 42172, 44980, 52715, 56770, 62972, 73801, 78715, 105430, 113540, 140303, 147602, 157430, 210860, 280606, 295204, 314860, 369005, 561212, 701515, 738010, 982121, 1403030, 1476020, 1823939, 1964242, 2806060, 3647878, 3928484, 4910605, 7295756, 9119695, 9821210, 12767573, 18239390, 19642420, 25535146, 36478780, 51070292, 63837865, 127675730, 255351460]

約数ペア:

[(1, 255351460), (2, 127675730), (4, 63837865), (5, 51070292), (7, 36478780), (10, 25535146), (13, 19642420), (14, 18239390), (20, 12767573), (26, 9821210), (28, 9119695), (35, 7295756), (52, 4910605), (65, 3928484), (70, 3647878), (91, 2806060), (130, 1964242), (140, 1823939), (173, 1476020), (182, 1403030), (260, 982121), (346, 738010), (364, 701515), (455, 561212), (692, 369005), (811, 314860), (865, 295204), (910, 280606), (1211, 210860), (1622, 157430), (1730, 147602), (1820, 140303), (2249, 113540), (2422, 105430), (3244, 78715), (3460, 73801), (4055, 62972), (4498, 56770), (4844, 52715), (5677, 44980), (6055, 42172), (8110, 31486), (8996, 28385), (10543, 24220), (11245, 22708), (11354, 22490), (12110, 21086), (15743, 16220)]