556808980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 1517322240

約数和(自身を除く): 960513260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 71, 91, 124, 130, 139, 140, 142, 155, 182, 217, 260, 278, 284, 310, 355, 364, 403, 434, 455, 497, 556, 620, 695, 710, 806, 868, 910, 923, 973, 994, 1085, 1390, 1420, 1612, 1807, 1820, 1846, 1946, 1988, 2015, 2170, 2201, 2485, 2780, 2821, 3614, 3692, 3892, 4030, 4309, 4340, 4402, 4615, 4865, 4970, 5642, 6461, 7228, 8060, 8618, 8804, 9035, 9230, 9730, 9869, 9940, 11005, 11284, 12649, 12922, 14105, 15407, 17236, 18070, 18460, 19460, 19738, 21545, 22010, 25298, 25844, 28210, 28613, 30163, 30814, 32305, 36140, 39476, 43090, 44020, 49345, 50596, 56017, 56420, 57226, 60326, 61628, 63245, 64610, 69083, 77035, 86180, 98690, 112034, 114452, 120652, 126490, 128297, 129220, 138166, 143065, 150815, 154070, 197380, 200291, 224068, 252980, 256594, 276332, 280085, 286130, 301630, 305939, 308140, 345415, 392119, 400582, 513188, 560170, 572260, 603260, 611878, 641485, 690830, 784238, 801164, 898079, 1001455, 1120340, 1223756, 1282970, 1381660, 1529695, 1568476, 1796158, 1960595, 2002910, 2141573, 2565940, 3059390, 3592316, 3921190, 3977207, 4005820, 4283146, 4490395, 6118780, 7842380, 7954414, 8566292, 8980790, 10707865, 15908828, 17961580, 19886035, 21415730, 27840449, 39772070, 42831460, 55680898, 79544140, 111361796, 139202245, 278404490, 556808980]

約数ペア:

[(1, 556808980), (2, 278404490), (4, 139202245), (5, 111361796), (7, 79544140), (10, 55680898), (13, 42831460), (14, 39772070), (20, 27840449), (26, 21415730), (28, 19886035), (31, 17961580), (35, 15908828), (52, 10707865), (62, 8980790), (65, 8566292), (70, 7954414), (71, 7842380), (91, 6118780), (124, 4490395), (130, 4283146), (139, 4005820), (140, 3977207), (142, 3921190), (155, 3592316), (182, 3059390), (217, 2565940), (260, 2141573), (278, 2002910), (284, 1960595), (310, 1796158), (355, 1568476), (364, 1529695), (403, 1381660), (434, 1282970), (455, 1223756), (497, 1120340), (556, 1001455), (620, 898079), (695, 801164), (710, 784238), (806, 690830), (868, 641485), (910, 611878), (923, 603260), (973, 572260), (994, 560170), (1085, 513188), (1390, 400582), (1420, 392119), (1612, 345415), (1807, 308140), (1820, 305939), (1846, 301630), (1946, 286130), (1988, 280085), (2015, 276332), (2170, 256594), (2201, 252980), (2485, 224068), (2780, 200291), (2821, 197380), (3614, 154070), (3692, 150815), (3892, 143065), (4030, 138166), (4309, 129220), (4340, 128297), (4402, 126490), (4615, 120652), (4865, 114452), (4970, 112034), (5642, 98690), (6461, 86180), (7228, 77035), (8060, 69083), (8618, 64610), (8804, 63245), (9035, 61628), (9230, 60326), (9730, 57226), (9869, 56420), (9940, 56017), (11005, 50596), (11284, 49345), (12649, 44020), (12922, 43090), (14105, 39476), (15407, 36140), (17236, 32305), (18070, 30814), (18460, 30163), (19460, 28613), (19738, 28210), (21545, 25844), (22010, 25298)]