2507286990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4787}}^1$

素因数の和:4906

約数の個数: 128

約数和(自身を含む): 6949877760

約数和(自身を除く): 4442590770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 79, 85, 102, 130, 158, 170, 195, 221, 237, 255, 390, 395, 442, 474, 510, 663, 790, 1027, 1105, 1185, 1326, 1343, 2054, 2210, 2370, 2686, 3081, 3315, 4029, 4787, 5135, 6162, 6630, 6715, 8058, 9574, 10270, 13430, 14361, 15405, 17459, 20145, 23935, 28722, 30810, 34918, 40290, 47870, 52377, 62231, 71805, 81379, 87295, 104754, 124462, 143610, 162758, 174590, 186693, 244137, 261885, 311155, 373386, 378173, 406895, 488274, 523770, 622310, 756346, 813790, 933465, 1057927, 1134519, 1220685, 1866930, 1890865, 2115854, 2269038, 2441370, 3173781, 3781730, 4916249, 5289635, 5672595, 6347562, 6428941, 9832498, 10579270, 11345190, 12857882, 14748747, 15868905, 19286823, 24581245, 29497494, 31737810, 32144705, 38573646, 49162490, 64289410, 73743735, 83576233, 96434115, 147487470, 167152466, 192868230, 250728699, 417881165, 501457398, 835762330, 1253643495, 2507286990]

約数ペア:

[(1, 2507286990), (2, 1253643495), (3, 835762330), (5, 501457398), (6, 417881165), (10, 250728699), (13, 192868230), (15, 167152466), (17, 147487470), (26, 96434115), (30, 83576233), (34, 73743735), (39, 64289410), (51, 49162490), (65, 38573646), (78, 32144705), (79, 31737810), (85, 29497494), (102, 24581245), (130, 19286823), (158, 15868905), (170, 14748747), (195, 12857882), (221, 11345190), (237, 10579270), (255, 9832498), (390, 6428941), (395, 6347562), (442, 5672595), (474, 5289635), (510, 4916249), (663, 3781730), (790, 3173781), (1027, 2441370), (1105, 2269038), (1185, 2115854), (1326, 1890865), (1343, 1866930), (2054, 1220685), (2210, 1134519), (2370, 1057927), (2686, 933465), (3081, 813790), (3315, 756346), (4029, 622310), (4787, 523770), (5135, 488274), (6162, 406895), (6630, 378173), (6715, 373386), (8058, 311155), (9574, 261885), (10270, 244137), (13430, 186693), (14361, 174590), (15405, 162758), (17459, 143610), (20145, 124462), (23935, 104754), (28722, 87295), (30810, 81379), (34918, 71805), (40290, 62231), (47870, 52377)]