1920672325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:105

約数の個数: 108

約数和(自身を含む): 3012511180

約数和(自身を除く): 1091838855

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 121, 143, 169, 187, 221, 275, 289, 325, 425, 605, 715, 845, 935, 1105, 1445, 1573, 1859, 2057, 2197, 2431, 2873, 3025, 3179, 3575, 3757, 4225, 4675, 5525, 7225, 7865, 9295, 10285, 10985, 12155, 14365, 15895, 18785, 20449, 24167, 26741, 31603, 34969, 37349, 39325, 41327, 46475, 48841, 51425, 54925, 60775, 71825, 79475, 93925, 102245, 120835, 133705, 158015, 174845, 186745, 206635, 244205, 265837, 347633, 410839, 454597, 511225, 537251, 604175, 634933, 668525, 790075, 874225, 933725, 1033175, 1221025, 1329185, 1738165, 2054195, 2272985, 2686255, 3174665, 4519229, 5909761, 6645925, 6984263, 8690825, 10270975, 11364925, 13431275, 15873325, 22596145, 29548805, 34921315, 76826893, 112980725, 147744025, 174606575, 384134465, 1920672325]

約数ペア:

[(1, 1920672325), (5, 384134465), (11, 174606575), (13, 147744025), (17, 112980725), (25, 76826893), (55, 34921315), (65, 29548805), (85, 22596145), (121, 15873325), (143, 13431275), (169, 11364925), (187, 10270975), (221, 8690825), (275, 6984263), (289, 6645925), (325, 5909761), (425, 4519229), (605, 3174665), (715, 2686255), (845, 2272985), (935, 2054195), (1105, 1738165), (1445, 1329185), (1573, 1221025), (1859, 1033175), (2057, 933725), (2197, 874225), (2431, 790075), (2873, 668525), (3025, 634933), (3179, 604175), (3575, 537251), (3757, 511225), (4225, 454597), (4675, 410839), (5525, 347633), (7225, 265837), (7865, 244205), (9295, 206635), (10285, 186745), (10985, 174845), (12155, 158015), (14365, 133705), (15895, 120835), (18785, 102245), (20449, 93925), (24167, 79475), (26741, 71825), (31603, 60775), (34969, 54925), (37349, 51425), (39325, 48841), (41327, 46475)]