2019907155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 3900441600

約数和(自身を除く): 1880534445

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 79, 105, 129, 147, 215, 237, 245, 301, 395, 553, 645, 735, 809, 903, 1185, 1505, 1659, 2107, 2427, 2765, 3397, 3871, 4045, 4515, 5663, 6321, 8295, 10191, 10535, 11613, 12135, 16985, 16989, 19355, 23779, 28315, 31605, 34787, 39641, 50955, 58065, 63911, 71337, 84945, 104361, 118895, 118923, 166453, 173935, 191733, 198205, 243509, 319555, 356685, 447377, 499359, 521805, 594615, 730527, 832265, 958665, 1217545, 1342131, 1704563, 2236885, 2496795, 2748173, 3131639, 3652635, 5113689, 6710655, 8244519, 8522815, 9394917, 13740865, 15658195, 19237211, 25568445, 41222595, 46974585, 57711633, 96186055, 134660477, 288558165, 403981431, 673302385, 2019907155]

約数ペア:

[(1, 2019907155), (3, 673302385), (5, 403981431), (7, 288558165), (15, 134660477), (21, 96186055), (35, 57711633), (43, 46974585), (49, 41222595), (79, 25568445), (105, 19237211), (129, 15658195), (147, 13740865), (215, 9394917), (237, 8522815), (245, 8244519), (301, 6710655), (395, 5113689), (553, 3652635), (645, 3131639), (735, 2748173), (809, 2496795), (903, 2236885), (1185, 1704563), (1505, 1342131), (1659, 1217545), (2107, 958665), (2427, 832265), (2765, 730527), (3397, 594615), (3871, 521805), (4045, 499359), (4515, 447377), (5663, 356685), (6321, 319555), (8295, 243509), (10191, 198205), (10535, 191733), (11613, 173935), (12135, 166453), (16985, 118923), (16989, 118895), (19355, 104361), (23779, 84945), (28315, 71337), (31605, 63911), (34787, 58065), (39641, 50955)]