1390213825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 2349349632

約数和(自身を除く): 959135807

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 73, 77, 91, 143, 175, 275, 325, 365, 385, 455, 511, 715, 761, 803, 949, 1001, 1825, 1925, 2275, 2555, 3575, 3805, 4015, 4745, 5005, 5327, 5621, 6643, 8371, 9893, 10439, 12775, 19025, 20075, 23725, 25025, 26635, 28105, 33215, 41855, 49465, 52195, 55553, 58597, 69251, 73073, 108823, 133175, 140525, 166075, 209275, 247325, 260975, 277765, 292985, 346255, 365365, 388871, 544115, 611083, 722189, 761761, 1388825, 1464925, 1731275, 1826825, 1944355, 2720575, 3055415, 3610945, 3808805, 4277581, 5055323, 7944079, 9721775, 15277075, 18054725, 19044025, 21387905, 25276615, 39720395, 55608553, 106939525, 126383075, 198601975, 278042765, 1390213825]

約数ペア:

[(1, 1390213825), (5, 278042765), (7, 198601975), (11, 126383075), (13, 106939525), (25, 55608553), (35, 39720395), (55, 25276615), (65, 21387905), (73, 19044025), (77, 18054725), (91, 15277075), (143, 9721775), (175, 7944079), (275, 5055323), (325, 4277581), (365, 3808805), (385, 3610945), (455, 3055415), (511, 2720575), (715, 1944355), (761, 1826825), (803, 1731275), (949, 1464925), (1001, 1388825), (1825, 761761), (1925, 722189), (2275, 611083), (2555, 544115), (3575, 388871), (3805, 365365), (4015, 346255), (4745, 292985), (5005, 277765), (5327, 260975), (5621, 247325), (6643, 209275), (8371, 166075), (9893, 140525), (10439, 133175), (12775, 108823), (19025, 73073), (20075, 69251), (23725, 58597), (25025, 55553), (26635, 52195), (28105, 49465), (33215, 41855)]