17849976625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 25746739200

約数和(自身を除く): 7896762575

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 191, 199, 221, 289, 325, 425, 955, 995, 1105, 1445, 1625, 2125, 2483, 2587, 3247, 3383, 3757, 4775, 4975, 5525, 7225, 12415, 12935, 16235, 16915, 18785, 23875, 24875, 27625, 36125, 38009, 42211, 43979, 55199, 57511, 62075, 64675, 81175, 84575, 93925, 190045, 211055, 219895, 275995, 287555, 310375, 323375, 405875, 422875, 469625, 494117, 646153, 717587, 747643, 950225, 1055275, 1099475, 1379975, 1437775, 2470585, 3230765, 3587935, 3738215, 4751125, 5276375, 5497375, 6899875, 7188875, 8399989, 10984601, 12352925, 16153825, 17939675, 18691075, 41999945, 54923005, 61764625, 80769125, 89698375, 93455375, 142799813, 209999725, 274615025, 713999065, 1049998625, 1373075125, 3569995325, 17849976625]

約数ペア:

[(1, 17849976625), (5, 3569995325), (13, 1373075125), (17, 1049998625), (25, 713999065), (65, 274615025), (85, 209999725), (125, 142799813), (191, 93455375), (199, 89698375), (221, 80769125), (289, 61764625), (325, 54923005), (425, 41999945), (955, 18691075), (995, 17939675), (1105, 16153825), (1445, 12352925), (1625, 10984601), (2125, 8399989), (2483, 7188875), (2587, 6899875), (3247, 5497375), (3383, 5276375), (3757, 4751125), (4775, 3738215), (4975, 3587935), (5525, 3230765), (7225, 2470585), (12415, 1437775), (12935, 1379975), (16235, 1099475), (16915, 1055275), (18785, 950225), (23875, 747643), (24875, 717587), (27625, 646153), (36125, 494117), (38009, 469625), (42211, 422875), (43979, 405875), (55199, 323375), (57511, 310375), (62075, 287555), (64675, 275995), (81175, 219895), (84575, 211055), (93925, 190045)]