1958505890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{10903}}^1$

素因数の和:11015

約数の個数: 64

約数和(自身を含む): 4069896192

約数和(自身を除く): 2111390302

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 506, 710, 781, 1265, 1562, 1633, 2530, 3266, 3905, 7810, 8165, 10903, 16330, 17963, 21806, 35926, 54515, 89815, 109030, 119933, 179630, 239866, 250769, 501538, 599665, 774113, 1199330, 1253845, 1548226, 2507690, 2758459, 3870565, 5516918, 7741130, 8515243, 13792295, 17030486, 17804599, 27584590, 35609198, 42576215, 85152430, 89022995, 178045990, 195850589, 391701178, 979252945, 1958505890]

約数ペア:

[(1, 1958505890), (2, 979252945), (5, 391701178), (10, 195850589), (11, 178045990), (22, 89022995), (23, 85152430), (46, 42576215), (55, 35609198), (71, 27584590), (110, 17804599), (115, 17030486), (142, 13792295), (230, 8515243), (253, 7741130), (355, 5516918), (506, 3870565), (710, 2758459), (781, 2507690), (1265, 1548226), (1562, 1253845), (1633, 1199330), (2530, 774113), (3266, 599665), (3905, 501538), (7810, 250769), (8165, 239866), (10903, 179630), (16330, 119933), (17963, 109030), (21806, 89815), (35926, 54515)]