142052540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 357654528

約数和(自身を除く): 215601988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 461, 497, 620, 710, 868, 922, 994, 1085, 1420, 1844, 1988, 2170, 2201, 2305, 2485, 3227, 4340, 4402, 4610, 4970, 6454, 8804, 9220, 9940, 11005, 12908, 14291, 15407, 16135, 22010, 28582, 30814, 32270, 32731, 44020, 57164, 61628, 64540, 65462, 71455, 77035, 100037, 130924, 142910, 154070, 163655, 200074, 229117, 285820, 308140, 327310, 400148, 458234, 500185, 654620, 916468, 1000370, 1014661, 1145585, 2000740, 2029322, 2291170, 4058644, 4582340, 5073305, 7102627, 10146610, 14205254, 20293220, 28410508, 35513135, 71026270, 142052540]

約数ペア:

[(1, 142052540), (2, 71026270), (4, 35513135), (5, 28410508), (7, 20293220), (10, 14205254), (14, 10146610), (20, 7102627), (28, 5073305), (31, 4582340), (35, 4058644), (62, 2291170), (70, 2029322), (71, 2000740), (124, 1145585), (140, 1014661), (142, 1000370), (155, 916468), (217, 654620), (284, 500185), (310, 458234), (355, 400148), (434, 327310), (461, 308140), (497, 285820), (620, 229117), (710, 200074), (868, 163655), (922, 154070), (994, 142910), (1085, 130924), (1420, 100037), (1844, 77035), (1988, 71455), (2170, 65462), (2201, 64540), (2305, 61628), (2485, 57164), (3227, 44020), (4340, 32731), (4402, 32270), (4610, 30814), (4970, 28582), (6454, 22010), (8804, 16135), (9220, 15407), (9940, 14291), (11005, 12908)]