2002910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 4644864

約数和(自身を除く): 2641954

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 71, 91, 130, 142, 155, 182, 217, 310, 355, 403, 434, 455, 497, 710, 806, 910, 923, 994, 1085, 1846, 2015, 2170, 2201, 2485, 2821, 4030, 4402, 4615, 4970, 5642, 6461, 9230, 11005, 12922, 14105, 15407, 22010, 28210, 28613, 30814, 32305, 57226, 64610, 77035, 143065, 154070, 200291, 286130, 400582, 1001455, 2002910]

約数ペア:

[(1, 2002910), (2, 1001455), (5, 400582), (7, 286130), (10, 200291), (13, 154070), (14, 143065), (26, 77035), (31, 64610), (35, 57226), (62, 32305), (65, 30814), (70, 28613), (71, 28210), (91, 22010), (130, 15407), (142, 14105), (155, 12922), (182, 11005), (217, 9230), (310, 6461), (355, 5642), (403, 4970), (434, 4615), (455, 4402), (497, 4030), (710, 2821), (806, 2485), (910, 2201), (923, 2170), (994, 2015), (1085, 1846)]